Finding the Third Proportional to 3,919,697,561.25 and 5,992,026,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919,697,561.25 : 5,992,026,610.50 = 5,992,026,610.50 : x
2. Step 2: Convert to fraction form
   3,919,697,561.25/5,992,026,610.50 = 5,992,026,610.50/x
3. Step 3: Cross multiply
   3,919,697,561.25x = 5,992,026,610.50 × 5,992,026,610.50
4. Step 4: Simplify right side
   3,919,697,561.25x = 35,904,382,900,940,120,064
5. Step 5: Solve for x
   x = 35,904,382,900,940,120,064/3,919,697,561.25
6. Step 6: Final answer
   x = 9,159,988,070.48