Finding the Third Proportional to 199,635.75 and 432,468

Step by Step Solution

1. Step 1: Write the proportion equation
   199,635.75 : 432,468 = 432,468 : x
2. Step 2: Convert to fraction form
   199,635.75/432,468 = 432,468/x
3. Step 3: Cross multiply
   199,635.75x = 432,468 × 432,468
4. Step 4: Simplify right side
   199,635.75x = 187,028,571,024
5. Step 5: Solve for x
   x = 187,028,571,024/199,635.75
6. Step 6: Final answer
   x = 936,849.09