Finding the Third Proportional to 38,925 and 85,120.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,925 : 85,120.50 = 85,120.50 : x
2. Step 2: Convert to fraction form
   38,925/85,120.50 = 85,120.50/x
3. Step 3: Cross multiply
   38,925x = 85,120.50 × 85,120.50
4. Step 4: Simplify right side
   38,925x = 7,245,499,520.25
5. Step 5: Solve for x
   x = 7,245,499,520.25/38,925
6. Step 6: Final answer
   x = 186,140.00