Finding the Third Proportional to 2,187,494.50 and 3,423,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,494.50 : 3,423,720.50 = 3,423,720.50 : x
2. Step 2: Convert to fraction form
   2,187,494.50/3,423,720.50 = 3,423,720.50/x
3. Step 3: Cross multiply
   2,187,494.50x = 3,423,720.50 × 3,423,720.50
4. Step 4: Simplify right side
   2,187,494.50x = 11,721,862,062,120.25
5. Step 5: Solve for x
   x = 11,721,862,062,120.25/2,187,494.50
6. Step 6: Final answer
   x = 5,358,578.99