Finding the Third Proportional to 195,005,117,388.50 and 395,493,334,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,005,117,388.50 : 395,493,334,620.50 = 395,493,334,620.50 : x
2. Step 2: Convert to fraction form
   195,005,117,388.50/395,493,334,620.50 = 395,493,334,620.50/x
3. Step 3: Cross multiply
   195,005,117,388.50x = 395,493,334,620.50 × 395,493,334,620.50
4. Step 4: Simplify right side
   195,005,117,388.50x = 156,414,977,729,242,786,168,832
5. Step 5: Solve for x
   x = 156,414,977,729,242,786,168,832/195,005,117,388.50
6. Step 6: Final answer
   x = 802,107,041,209.72