Finding the Third Proportional to 498,190.50 and 747,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,190.50 : 747,787.50 = 747,787.50 : x
2. Step 2: Convert to fraction form
   498,190.50/747,787.50 = 747,787.50/x
3. Step 3: Cross multiply
   498,190.50x = 747,787.50 × 747,787.50
4. Step 4: Simplify right side
   498,190.50x = 559,186,145,156.25
5. Step 5: Solve for x
   x = 559,186,145,156.25/498,190.50
6. Step 6: Final answer
   x = 1,122,434.38