Finding the Third Proportional to 38,925.50 and 85,121.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,925.50 : 85,121.50 = 85,121.50 : x
2. Step 2: Convert to fraction form
   38,925.50/85,121.50 = 85,121.50/x
3. Step 3: Cross multiply
   38,925.50x = 85,121.50 × 85,121.50
4. Step 4: Simplify right side
   38,925.50x = 7,245,669,762.25
5. Step 5: Solve for x
   x = 7,245,669,762.25/38,925.50
6. Step 6: Final answer
   x = 186,141.98