Finding the Third Proportional to 38,128.50 and 83,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,128.50 : 83,617.50 = 83,617.50 : x
2. Step 2: Convert to fraction form
   38,128.50/83,617.50 = 83,617.50/x
3. Step 3: Cross multiply
   38,128.50x = 83,617.50 × 83,617.50
4. Step 4: Simplify right side
   38,128.50x = 6,991,886,306.25
5. Step 5: Solve for x
   x = 6,991,886,306.25/38,128.50
6. Step 6: Final answer
   x = 183,376.90