Finding the Third Proportional to 5,615,399 and 8,625,940

Step by Step Solution

1. Step 1: Write the proportion equation
   5,615,399 : 8,625,940 = 8,625,940 : x
2. Step 2: Convert to fraction form
   5,615,399/8,625,940 = 8,625,940/x
3. Step 3: Cross multiply
   5,615,399x = 8,625,940 × 8,625,940
4. Step 4: Simplify right side
   5,615,399x = 74,406,840,883,600
5. Step 5: Solve for x
   x = 74,406,840,883,600/5,615,399
6. Step 6: Final answer
   x = 13,250,499.36