Finding the Third Proportional to 602,066.50 and 825,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   602,066.50 : 825,598.50 = 825,598.50 : x
2. Step 2: Convert to fraction form
   602,066.50/825,598.50 = 825,598.50/x
3. Step 3: Cross multiply
   602,066.50x = 825,598.50 × 825,598.50
4. Step 4: Simplify right side
   602,066.50x = 681,612,883,202.25
5. Step 5: Solve for x
   x = 681,612,883,202.25/602,066.50
6. Step 6: Final answer
   x = 1,132,122.25