Finding the Third Proportional to 99,813 and 150,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,813 : 150,124.50 = 150,124.50 : x
2. Step 2: Convert to fraction form
   99,813/150,124.50 = 150,124.50/x
3. Step 3: Cross multiply
   99,813x = 150,124.50 × 150,124.50
4. Step 4: Simplify right side
   99,813x = 22,537,365,500.25
5. Step 5: Solve for x
   x = 22,537,365,500.25/99,813
6. Step 6: Final answer
   x = 225,795.89