Finding the Third Proportional to 3,640,432 and 7,944,416

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640,432 : 7,944,416 = 7,944,416 : x
2. Step 2: Convert to fraction form
   3,640,432/7,944,416 = 7,944,416/x
3. Step 3: Cross multiply
   3,640,432x = 7,944,416 × 7,944,416
4. Step 4: Simplify right side
   3,640,432x = 63,113,745,581,056
5. Step 5: Solve for x
   x = 63,113,745,581,056/3,640,432
6. Step 6: Final answer
   x = 17,336,883.53