Finding the Third Proportional to 76,570 and 112,636

Step by Step Solution

1. Step 1: Write the proportion equation
   76,570 : 112,636 = 112,636 : x
2. Step 2: Convert to fraction form
   76,570/112,636 = 112,636/x
3. Step 3: Cross multiply
   76,570x = 112,636 × 112,636
4. Step 4: Simplify right side
   76,570x = 12,686,868,496
5. Step 5: Solve for x
   x = 12,686,868,496/76,570
6. Step 6: Final answer
   x = 165,689.81