Finding the Third Proportional to 86,906.25 and 116,400.38

Step by Step Solution

1. Step 1: Write the proportion equation
   86,906.25 : 116,400.38 = 116,400.38 : x
2. Step 2: Convert to fraction form
   86,906.25/116,400.38 = 116,400.38/x
3. Step 3: Cross multiply
   86,906.25x = 116,400.38 × 116,400.38
4. Step 4: Simplify right side
   86,906.25x = 13,549,047,300.14
5. Step 5: Solve for x
   x = 13,549,047,300.14/86,906.25
6. Step 6: Final answer
   x = 155,904.18