Finding the Third Proportional to 292,425.38 and 428,499.38

Step by Step Solution

1. Step 1: Write the proportion equation
   292,425.38 : 428,499.38 = 428,499.38 : x
2. Step 2: Convert to fraction form
   292,425.38/428,499.38 = 428,499.38/x
3. Step 3: Cross multiply
   292,425.38x = 428,499.38 × 428,499.38
4. Step 4: Simplify right side
   292,425.38x = 183,611,714,375.39
5. Step 5: Solve for x
   x = 183,611,714,375.39/292,425.38
6. Step 6: Final answer
   x = 627,892.55