Finding the Third Proportional to 602,338 and 803,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   602,338 : 803,008.50 = 803,008.50 : x
2. Step 2: Convert to fraction form
   602,338/803,008.50 = 803,008.50/x
3. Step 3: Cross multiply
   602,338x = 803,008.50 × 803,008.50
4. Step 4: Simplify right side
   602,338x = 644,822,651,072.25
5. Step 5: Solve for x
   x = 644,822,651,072.25/602,338
6. Step 6: Final answer
   x = 1,070,532.91