Finding the Third Proportional to 1,243,317.75 and 1,925,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,317.75 : 1,925,665.50 = 1,925,665.50 : x
2. Step 2: Convert to fraction form
   1,243,317.75/1,925,665.50 = 1,925,665.50/x
3. Step 3: Cross multiply
   1,243,317.75x = 1,925,665.50 × 1,925,665.50
4. Step 4: Simplify right side
   1,243,317.75x = 3,708,187,617,890.25
5. Step 5: Solve for x
   x = 3,708,187,617,890.25/1,243,317.75
6. Step 6: Final answer
   x = 2,982,493.91