Finding the Third Proportional to 113,089.50 and 153,586.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,089.50 : 153,586.50 = 153,586.50 : x
2. Step 2: Convert to fraction form
   113,089.50/153,586.50 = 153,586.50/x
3. Step 3: Cross multiply
   113,089.50x = 153,586.50 × 153,586.50
4. Step 4: Simplify right side
   113,089.50x = 23,588,812,982.25
5. Step 5: Solve for x
   x = 23,588,812,982.25/113,089.50
6. Step 6: Final answer
   x = 208,585.35