Finding the Third Proportional to 3,740,430 and 8,078,724

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740,430 : 8,078,724 = 8,078,724 : x
2. Step 2: Convert to fraction form
   3,740,430/8,078,724 = 8,078,724/x
3. Step 3: Cross multiply
   3,740,430x = 8,078,724 × 8,078,724
4. Step 4: Simplify right side
   3,740,430x = 65,265,781,468,176
5. Step 5: Solve for x
   x = 65,265,781,468,176/3,740,430
6. Step 6: Final answer
   x = 17,448,737.57