Finding the Third Proportional to 99,607.50 and 148,000.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,607.50 : 148,000.50 = 148,000.50 : x
2. Step 2: Convert to fraction form
   99,607.50/148,000.50 = 148,000.50/x
3. Step 3: Cross multiply
   99,607.50x = 148,000.50 × 148,000.50
4. Step 4: Simplify right side
   99,607.50x = 21,904,148,000.25
5. Step 5: Solve for x
   x = 21,904,148,000.25/99,607.50
6. Step 6: Final answer
   x = 219,904.61