Finding the Third Proportional to 428,290.50 and 602,592

Step by Step Solution

1. Step 1: Write the proportion equation
   428,290.50 : 602,592 = 602,592 : x
2. Step 2: Convert to fraction form
   428,290.50/602,592 = 602,592/x
3. Step 3: Cross multiply
   428,290.50x = 602,592 × 602,592
4. Step 4: Simplify right side
   428,290.50x = 363,117,118,464
5. Step 5: Solve for x
   x = 363,117,118,464/428,290.50
6. Step 6: Final answer
   x = 847,829.03