Finding the Third Proportional to 3,439,089 and 7,287,822

Step by Step Solution

1. Step 1: Write the proportion equation
   3,439,089 : 7,287,822 = 7,287,822 : x
2. Step 2: Convert to fraction form
   3,439,089/7,287,822 = 7,287,822/x
3. Step 3: Cross multiply
   3,439,089x = 7,287,822 × 7,287,822
4. Step 4: Simplify right side
   3,439,089x = 53,112,349,503,684
5. Step 5: Solve for x
   x = 53,112,349,503,684/3,439,089
6. Step 6: Final answer
   x = 15,443,726.38