Finding the Third Proportional to 39,106.50 and 85,563.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,106.50 : 85,563.75 = 85,563.75 : x
2. Step 2: Convert to fraction form
   39,106.50/85,563.75 = 85,563.75/x
3. Step 3: Cross multiply
   39,106.50x = 85,563.75 × 85,563.75
4. Step 4: Simplify right side
   39,106.50x = 7,321,155,314.06
5. Step 5: Solve for x
   x = 7,321,155,314.06/39,106.50
6. Step 6: Final answer
   x = 187,210.70