Finding the Third Proportional to 70,612,969.50 and 152,373,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,612,969.50 : 152,373,073.50 = 152,373,073.50 : x
2. Step 2: Convert to fraction form
   70,612,969.50/152,373,073.50 = 152,373,073.50/x
3. Step 3: Cross multiply
   70,612,969.50x = 152,373,073.50 × 152,373,073.50
4. Step 4: Simplify right side
   70,612,969.50x = 23,217,553,527,836,404
5. Step 5: Solve for x
   x = 23,217,553,527,836,404/70,612,969.50
6. Step 6: Final answer
   x = 328,800,129.67