Finding the Third Proportional to 403,662 and 625,030

Step by Step Solution

1. Step 1: Write the proportion equation
   403,662 : 625,030 = 625,030 : x
2. Step 2: Convert to fraction form
   403,662/625,030 = 625,030/x
3. Step 3: Cross multiply
   403,662x = 625,030 × 625,030
4. Step 4: Simplify right side
   403,662x = 390,662,500,900
5. Step 5: Solve for x
   x = 390,662,500,900/403,662
6. Step 6: Final answer
   x = 967,796.08