Finding the Third Proportional to 3,294,432 and 7,218,720

Step by Step Solution

1. Step 1: Write the proportion equation
   3,294,432 : 7,218,720 = 7,218,720 : x
2. Step 2: Convert to fraction form
   3,294,432/7,218,720 = 7,218,720/x
3. Step 3: Cross multiply
   3,294,432x = 7,218,720 × 7,218,720
4. Step 4: Simplify right side
   3,294,432x = 52,109,918,438,400
5. Step 5: Solve for x
   x = 52,109,918,438,400/3,294,432
6. Step 6: Final answer
   x = 15,817,572.93