Finding the Third Proportional to 108,757.50 and 153,157.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,757.50 : 153,157.50 = 153,157.50 : x
2. Step 2: Convert to fraction form
   108,757.50/153,157.50 = 153,157.50/x
3. Step 3: Cross multiply
   108,757.50x = 153,157.50 × 153,157.50
4. Step 4: Simplify right side
   108,757.50x = 23,457,219,806.25
5. Step 5: Solve for x
   x = 23,457,219,806.25/108,757.50
6. Step 6: Final answer
   x = 215,683.70