Finding the Third Proportional to 198,838.50 and 301,152

Step by Step Solution

1. Step 1: Write the proportion equation
   198,838.50 : 301,152 = 301,152 : x
2. Step 2: Convert to fraction form
   198,838.50/301,152 = 301,152/x
3. Step 3: Cross multiply
   198,838.50x = 301,152 × 301,152
4. Step 4: Simplify right side
   198,838.50x = 90,692,527,104
5. Step 5: Solve for x
   x = 90,692,527,104/198,838.50
6. Step 6: Final answer
   x = 456,111.50