Finding the Third Proportional to 432,108 and 654,132.38

Step by Step Solution

1. Step 1: Write the proportion equation
   432,108 : 654,132.38 = 654,132.38 : x
2. Step 2: Convert to fraction form
   432,108/654,132.38 = 654,132.38/x
3. Step 3: Cross multiply
   432,108x = 654,132.38 × 654,132.38
4. Step 4: Simplify right side
   432,108x = 427,889,164,023.14
5. Step 5: Solve for x
   x = 427,889,164,023.14/432,108
6. Step 6: Final answer
   x = 990,236.62