Finding the Third Proportional to 607,716 and 806,551.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,716 : 806,551.50 = 806,551.50 : x
2. Step 2: Convert to fraction form
   607,716/806,551.50 = 806,551.50/x
3. Step 3: Cross multiply
   607,716x = 806,551.50 × 806,551.50
4. Step 4: Simplify right side
   607,716x = 650,525,322,152.25
5. Step 5: Solve for x
   x = 650,525,322,152.25/607,716
6. Step 6: Final answer
   x = 1,070,442.97