Finding the Third Proportional to 27,715.78 and 57,400.31

Step by Step Solution

1. Step 1: Write the proportion equation
   27,715.78 : 57,400.31 = 57,400.31 : x
2. Step 2: Convert to fraction form
   27,715.78/57,400.31 = 57,400.31/x
3. Step 3: Cross multiply
   27,715.78x = 57,400.31 × 57,400.31
4. Step 4: Simplify right side
   27,715.78x = 3,294,795,875.10
5. Step 5: Solve for x
   x = 3,294,795,875.10/27,715.78
6. Step 6: Final answer
   x = 118,877.97