Finding the Third Proportional to 359,887.50 and 787,572

Step by Step Solution

1. Step 1: Write the proportion equation
   359,887.50 : 787,572 = 787,572 : x
2. Step 2: Convert to fraction form
   359,887.50/787,572 = 787,572/x
3. Step 3: Cross multiply
   359,887.50x = 787,572 × 787,572
4. Step 4: Simplify right side
   359,887.50x = 620,269,655,184
5. Step 5: Solve for x
   x = 620,269,655,184/359,887.50
6. Step 6: Final answer
   x = 1,723,509.86