Finding the Third Proportional to 19,259,764,650 and 39,061,070,028

Step by Step Solution

1. Step 1: Write the proportion equation
   19,259,764,650 : 39,061,070,028 = 39,061,070,028 : x
2. Step 2: Convert to fraction form
   19,259,764,650/39,061,070,028 = 39,061,070,028/x
3. Step 3: Cross multiply
   19,259,764,650x = 39,061,070,028 × 39,061,070,028
4. Step 4: Simplify right side
   19,259,764,650x = 1,525,767,191,732,319,944,704
5. Step 5: Solve for x
   x = 1,525,767,191,732,319,944,704/19,259,764,650
6. Step 6: Final answer
   x = 79,220,448,404.20