Finding the Third Proportional to 64,374.75 and 86,626.13

Step by Step Solution

1. Step 1: Write the proportion equation
   64,374.75 : 86,626.13 = 86,626.13 : x
2. Step 2: Convert to fraction form
   64,374.75/86,626.13 = 86,626.13/x
3. Step 3: Cross multiply
   64,374.75x = 86,626.13 × 86,626.13
4. Step 4: Simplify right side
   64,374.75x = 7,504,085,532.52
5. Step 5: Solve for x
   x = 7,504,085,532.52/64,374.75
6. Step 6: Final answer
   x = 116,568.77