Finding the Third Proportional to 99,876 and 148,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,876 : 148,315.50 = 148,315.50 : x
2. Step 2: Convert to fraction form
   99,876/148,315.50 = 148,315.50/x
3. Step 3: Cross multiply
   99,876x = 148,315.50 × 148,315.50
4. Step 4: Simplify right side
   99,876x = 21,997,487,540.25
5. Step 5: Solve for x
   x = 21,997,487,540.25/99,876
6. Step 6: Final answer
   x = 220,247.98