Finding the Third Proportional to 3,292,418 and 7,188,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,292,418 : 7,188,124 = 7,188,124 : x
2. Step 2: Convert to fraction form
   3,292,418/7,188,124 = 7,188,124/x
3. Step 3: Cross multiply
   3,292,418x = 7,188,124 × 7,188,124
4. Step 4: Simplify right side
   3,292,418x = 51,669,126,639,376
5. Step 5: Solve for x
   x = 51,669,126,639,376/3,292,418
6. Step 6: Final answer
   x = 15,693,367.80