Finding the Third Proportional to 99,018 and 148,999.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,018 : 148,999.50 = 148,999.50 : x
2. Step 2: Convert to fraction form
   99,018/148,999.50 = 148,999.50/x
3. Step 3: Cross multiply
   99,018x = 148,999.50 × 148,999.50
4. Step 4: Simplify right side
   99,018x = 22,200,851,000.25
5. Step 5: Solve for x
   x = 22,200,851,000.25/99,018
6. Step 6: Final answer
   x = 224,210.25