Finding the Third Proportional to 198,577.13 and 303,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   198,577.13 : 303,061.50 = 303,061.50 : x
2. Step 2: Convert to fraction form
   198,577.13/303,061.50 = 303,061.50/x
3. Step 3: Cross multiply
   198,577.13x = 303,061.50 × 303,061.50
4. Step 4: Simplify right side
   198,577.13x = 91,846,272,782.25
5. Step 5: Solve for x
   x = 91,846,272,782.25/198,577.13
6. Step 6: Final answer
   x = 462,521.92