Finding the Third Proportional to 88,288.31 and 113,364.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,288.31 : 113,364.56 = 113,364.56 : x
2. Step 2: Convert to fraction form
   88,288.31/113,364.56 = 113,364.56/x
3. Step 3: Cross multiply
   88,288.31x = 113,364.56 × 113,364.56
4. Step 4: Simplify right side
   88,288.31x = 12,851,524,030.82
5. Step 5: Solve for x
   x = 12,851,524,030.82/88,288.31
6. Step 6: Final answer
   x = 145,563.14