Finding the Third Proportional to 39,956.25 and 84,840.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,956.25 : 84,840.13 = 84,840.13 : x
2. Step 2: Convert to fraction form
   39,956.25/84,840.13 = 84,840.13/x
3. Step 3: Cross multiply
   39,956.25x = 84,840.13 × 84,840.13
4. Step 4: Simplify right side
   39,956.25x = 7,197,846,810.02
5. Step 5: Solve for x
   x = 7,197,846,810.02/39,956.25
6. Step 6: Final answer
   x = 180,143.20