Finding the Third Proportional to 5,615,400 and 8,625,942

Step by Step Solution

1. Step 1: Write the proportion equation
   5,615,400 : 8,625,942 = 8,625,942 : x
2. Step 2: Convert to fraction form
   5,615,400/8,625,942 = 8,625,942/x
3. Step 3: Cross multiply
   5,615,400x = 8,625,942 × 8,625,942
4. Step 4: Simplify right side
   5,615,400x = 74,406,875,387,364
5. Step 5: Solve for x
   x = 74,406,875,387,364/5,615,400
6. Step 6: Final answer
   x = 13,250,503.15