Finding the Third Proportional to 2,709,568.50 and 3,989,502

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709,568.50 : 3,989,502 = 3,989,502 : x
2. Step 2: Convert to fraction form
   2,709,568.50/3,989,502 = 3,989,502/x
3. Step 3: Cross multiply
   2,709,568.50x = 3,989,502 × 3,989,502
4. Step 4: Simplify right side
   2,709,568.50x = 15,916,126,208,004
5. Step 5: Solve for x
   x = 15,916,126,208,004/2,709,568.50
6. Step 6: Final answer
   x = 5,874,044.60