Finding the Third Proportional to 68,451,041,503.50 and 146,322,340,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,451,041,503.50 : 146,322,340,561.50 = 146,322,340,561.50 : x
2. Step 2: Convert to fraction form
   68,451,041,503.50/146,322,340,561.50 = 146,322,340,561.50/x
3. Step 3: Cross multiply
   68,451,041,503.50x = 146,322,340,561.50 × 146,322,340,561.50
4. Step 4: Simplify right side
   68,451,041,503.50x = 21,410,227,347,395,589,439,488
5. Step 5: Solve for x
   x = 21,410,227,347,395,589,439,488/68,451,041,503.50
6. Step 6: Final answer
   x = 312,781,615,547.82