Finding the Third Proportional to 17,931,154,952.25 and 39,240,146,441.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,931,154,952.25 : 39,240,146,441.25 = 39,240,146,441.25 : x
2. Step 2: Convert to fraction form
   17,931,154,952.25/39,240,146,441.25 = 39,240,146,441.25/x
3. Step 3: Cross multiply
   17,931,154,952.25x = 39,240,146,441.25 × 39,240,146,441.25
4. Step 4: Simplify right side
   17,931,154,952.25x = 1,539,789,092,730,745,126,912
5. Step 5: Solve for x
   x = 1,539,789,092,730,745,126,912/17,931,154,952.25
6. Step 6: Final answer
   x = 85,872,276,316.34