Finding the Third Proportional to 17,931,154,922.75 and 39,240,146,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,931,154,922.75 : 39,240,146,380.50 = 39,240,146,380.50 : x
2. Step 2: Convert to fraction form
   17,931,154,922.75/39,240,146,380.50 = 39,240,146,380.50/x
3. Step 3: Cross multiply
   17,931,154,922.75x = 39,240,146,380.50 × 39,240,146,380.50
4. Step 4: Simplify right side
   17,931,154,922.75x = 1,539,789,087,963,067,187,200
5. Step 5: Solve for x
   x = 1,539,789,087,963,067,187,200/17,931,154,922.75
6. Step 6: Final answer
   x = 85,872,276,191.73