Finding the Third Proportional to 17,931,154,956 and 39,240,146,448

Step by Step Solution

1. Step 1: Write the proportion equation
   17,931,154,956 : 39,240,146,448 = 39,240,146,448 : x
2. Step 2: Convert to fraction form
   17,931,154,956/39,240,146,448 = 39,240,146,448/x
3. Step 3: Cross multiply
   17,931,154,956x = 39,240,146,448 × 39,240,146,448
4. Step 4: Simplify right side
   17,931,154,956x = 1,539,789,093,260,487,032,832
5. Step 5: Solve for x
   x = 1,539,789,093,260,487,032,832/17,931,154,956
6. Step 6: Final answer
   x = 85,872,276,327.93