Finding the Third Proportional to 359,637.50 and 787,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,637.50 : 787,004.50 = 787,004.50 : x
2. Step 2: Convert to fraction form
   359,637.50/787,004.50 = 787,004.50/x
3. Step 3: Cross multiply
   359,637.50x = 787,004.50 × 787,004.50
4. Step 4: Simplify right side
   359,637.50x = 619,376,083,020.25
5. Step 5: Solve for x
   x = 619,376,083,020.25/359,637.50
6. Step 6: Final answer
   x = 1,722,223.30