Finding the Third Proportional to 86,436 and 114,882

Step by Step Solution

1. Step 1: Write the proportion equation
   86,436 : 114,882 = 114,882 : x
2. Step 2: Convert to fraction form
   86,436/114,882 = 114,882/x
3. Step 3: Cross multiply
   86,436x = 114,882 × 114,882
4. Step 4: Simplify right side
   86,436x = 13,197,873,924
5. Step 5: Solve for x
   x = 13,197,873,924/86,436
6. Step 6: Final answer
   x = 152,689.55