Finding the Third Proportional to 40,478.06 and 60,722.16

Step by Step Solution

1. Step 1: Write the proportion equation
   40,478.06 : 60,722.16 = 60,722.16 : x
2. Step 2: Convert to fraction form
   40,478.06/60,722.16 = 60,722.16/x
3. Step 3: Cross multiply
   40,478.06x = 60,722.16 × 60,722.16
4. Step 4: Simplify right side
   40,478.06x = 3,687,180,259.65
5. Step 5: Solve for x
   x = 3,687,180,259.65/40,478.06
6. Step 6: Final answer
   x = 91,090.83