Finding the Third Proportional to 3,242,812 and 7,039,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,242,812 : 7,039,448 = 7,039,448 : x
2. Step 2: Convert to fraction form
   3,242,812/7,039,448 = 7,039,448/x
3. Step 3: Cross multiply
   3,242,812x = 7,039,448 × 7,039,448
4. Step 4: Simplify right side
   3,242,812x = 49,553,828,144,704
5. Step 5: Solve for x
   x = 49,553,828,144,704/3,242,812
6. Step 6: Final answer
   x = 15,281,128.89