Finding the Third Proportional to 2,499,989.25 and 3,539,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,989.25 : 3,539,788.50 = 3,539,788.50 : x
2. Step 2: Convert to fraction form
   2,499,989.25/3,539,788.50 = 3,539,788.50/x
3. Step 3: Cross multiply
   2,499,989.25x = 3,539,788.50 × 3,539,788.50
4. Step 4: Simplify right side
   2,499,989.25x = 12,530,102,624,732.25
5. Step 5: Solve for x
   x = 12,530,102,624,732.25/2,499,989.25
6. Step 6: Final answer
   x = 5,012,062.60