Finding the Third Proportional to 607,288.50 and 865,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,288.50 : 865,093.50 = 865,093.50 : x
2. Step 2: Convert to fraction form
   607,288.50/865,093.50 = 865,093.50/x
3. Step 3: Cross multiply
   607,288.50x = 865,093.50 × 865,093.50
4. Step 4: Simplify right side
   607,288.50x = 748,386,763,742.25
5. Step 5: Solve for x
   x = 748,386,763,742.25/607,288.50
6. Step 6: Final answer
   x = 1,232,341.41