Finding the Third Proportional to 198,841.50 and 301,158

Step by Step Solution

1. Step 1: Write the proportion equation
   198,841.50 : 301,158 = 301,158 : x
2. Step 2: Convert to fraction form
   198,841.50/301,158 = 301,158/x
3. Step 3: Cross multiply
   198,841.50x = 301,158 × 301,158
4. Step 4: Simplify right side
   198,841.50x = 90,696,140,964
5. Step 5: Solve for x
   x = 90,696,140,964/198,841.50
6. Step 6: Final answer
   x = 456,122.80