Finding the Third Proportional to 52,892,499 and 80,138,686

Step by Step Solution

1. Step 1: Write the proportion equation
   52,892,499 : 80,138,686 = 80,138,686 : x
2. Step 2: Convert to fraction form
   52,892,499/80,138,686 = 80,138,686/x
3. Step 3: Cross multiply
   52,892,499x = 80,138,686 × 80,138,686
4. Step 4: Simplify right side
   52,892,499x = 6,422,208,993,806,596
5. Step 5: Solve for x
   x = 6,422,208,993,806,596/52,892,499
6. Step 6: Final answer
   x = 121,420,033.37