Finding the Third Proportional to 602,200 and 1,308,398

Step by Step Solution

1. Step 1: Write the proportion equation
   602,200 : 1,308,398 = 1,308,398 : x
2. Step 2: Convert to fraction form
   602,200/1,308,398 = 1,308,398/x
3. Step 3: Cross multiply
   602,200x = 1,308,398 × 1,308,398
4. Step 4: Simplify right side
   602,200x = 1,711,905,326,404
5. Step 5: Solve for x
   x = 1,711,905,326,404/602,200
6. Step 6: Final answer
   x = 2,842,752.12