Finding the Third Proportional to 284,081.25 and 607,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,081.25 : 607,561.50 = 607,561.50 : x
2. Step 2: Convert to fraction form
   284,081.25/607,561.50 = 607,561.50/x
3. Step 3: Cross multiply
   284,081.25x = 607,561.50 × 607,561.50
4. Step 4: Simplify right side
   284,081.25x = 369,130,976,282.25
5. Step 5: Solve for x
   x = 369,130,976,282.25/284,081.25
6. Step 6: Final answer
   x = 1,299,385.22