Finding the Third Proportional to 39,861 and 61,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,861 : 61,321.50 = 61,321.50 : x
2. Step 2: Convert to fraction form
   39,861/61,321.50 = 61,321.50/x
3. Step 3: Cross multiply
   39,861x = 61,321.50 × 61,321.50
4. Step 4: Simplify right side
   39,861x = 3,760,326,362.25
5. Step 5: Solve for x
   x = 3,760,326,362.25/39,861
6. Step 6: Final answer
   x = 94,335.98