Finding the Third Proportional to 88,139.81 and 134,275.88

Step by Step Solution

1. Step 1: Write the proportion equation
   88,139.81 : 134,275.88 = 134,275.88 : x
2. Step 2: Convert to fraction form
   88,139.81/134,275.88 = 134,275.88/x
3. Step 3: Cross multiply
   88,139.81x = 134,275.88 × 134,275.88
4. Step 4: Simplify right side
   88,139.81x = 18,030,010,607.02
5. Step 5: Solve for x
   x = 18,030,010,607.02/88,139.81
6. Step 6: Final answer
   x = 204,561.48