Finding the Third Proportional to 147,540,384.50 and 318,063,776.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,540,384.50 : 318,063,776.50 = 318,063,776.50 : x
2. Step 2: Convert to fraction form
   147,540,384.50/318,063,776.50 = 318,063,776.50/x
3. Step 3: Cross multiply
   147,540,384.50x = 318,063,776.50 × 318,063,776.50
4. Step 4: Simplify right side
   147,540,384.50x = 101,164,565,921,441,952
5. Step 5: Solve for x
   x = 101,164,565,921,441,952/147,540,384.50
6. Step 6: Final answer
   x = 685,673,731.06