Finding the Third Proportional to 487,093.50 and 711,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   487,093.50 : 711,787.50 = 711,787.50 : x
2. Step 2: Convert to fraction form
   487,093.50/711,787.50 = 711,787.50/x
3. Step 3: Cross multiply
   487,093.50x = 711,787.50 × 711,787.50
4. Step 4: Simplify right side
   487,093.50x = 506,641,445,156.25
5. Step 5: Solve for x
   x = 506,641,445,156.25/487,093.50
6. Step 6: Final answer
   x = 1,040,131.81