Finding the Third Proportional to 131,763 and 198,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,763 : 198,802.50 = 198,802.50 : x
2. Step 2: Convert to fraction form
   131,763/198,802.50 = 198,802.50/x
3. Step 3: Cross multiply
   131,763x = 198,802.50 × 198,802.50
4. Step 4: Simplify right side
   131,763x = 39,522,434,006.25
5. Step 5: Solve for x
   x = 39,522,434,006.25/131,763
6. Step 6: Final answer
   x = 299,950.93