Finding the Third Proportional to 99,085.50 and 150,521.63

Step by Step Solution

1. Step 1: Write the proportion equation
   99,085.50 : 150,521.63 = 150,521.63 : x
2. Step 2: Convert to fraction form
   99,085.50/150,521.63 = 150,521.63/x
3. Step 3: Cross multiply
   99,085.50x = 150,521.63 × 150,521.63
4. Step 4: Simplify right side
   99,085.50x = 22,656,759,592.64
5. Step 5: Solve for x
   x = 22,656,759,592.64/99,085.50
6. Step 6: Final answer
   x = 228,658.68