Finding the Third Proportional to 653,947.50 and 887,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   653,947.50 : 887,608.50 = 887,608.50 : x
2. Step 2: Convert to fraction form
   653,947.50/887,608.50 = 887,608.50/x
3. Step 3: Cross multiply
   653,947.50x = 887,608.50 × 887,608.50
4. Step 4: Simplify right side
   653,947.50x = 787,848,849,272.25
5. Step 5: Solve for x
   x = 787,848,849,272.25/653,947.50
6. Step 6: Final answer
   x = 1,204,758.56