Finding the Third Proportional to 1,206,787.50 and 1,662,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,787.50 : 1,662,355.50 = 1,662,355.50 : x
2. Step 2: Convert to fraction form
   1,206,787.50/1,662,355.50 = 1,662,355.50/x
3. Step 3: Cross multiply
   1,206,787.50x = 1,662,355.50 × 1,662,355.50
4. Step 4: Simplify right side
   1,206,787.50x = 2,763,425,808,380.25
5. Step 5: Solve for x
   x = 2,763,425,808,380.25/1,206,787.50
6. Step 6: Final answer
   x = 2,289,902.58