Finding the Third Proportional to 72,487,030,018.50 and 147,040,937,880

Step by Step Solution

1. Step 1: Write the proportion equation
   72,487,030,018.50 : 147,040,937,880 = 147,040,937,880 : x
2. Step 2: Convert to fraction form
   72,487,030,018.50/147,040,937,880 = 147,040,937,880/x
3. Step 3: Cross multiply
   72,487,030,018.50x = 147,040,937,880 × 147,040,937,880
4. Step 4: Simplify right side
   72,487,030,018.50x = 21,621,037,412,630,017,343,488
5. Step 5: Solve for x
   x = 21,621,037,412,630,017,343,488/72,487,030,018.50
6. Step 6: Final answer
   x = 298,274,565,906.65