Finding the Third Proportional to 57,726 and 88,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,726 : 88,669.50 = 88,669.50 : x
2. Step 2: Convert to fraction form
   57,726/88,669.50 = 88,669.50/x
3. Step 3: Cross multiply
   57,726x = 88,669.50 × 88,669.50
4. Step 4: Simplify right side
   57,726x = 7,862,280,230.25
5. Step 5: Solve for x
   x = 7,862,280,230.25/57,726
6. Step 6: Final answer
   x = 136,199.98