Finding the Third Proportional to 82,160 and 130,600

Step by Step Solution

1. Step 1: Write the proportion equation
   82,160 : 130,600 = 130,600 : x
2. Step 2: Convert to fraction form
   82,160/130,600 = 130,600/x
3. Step 3: Cross multiply
   82,160x = 130,600 × 130,600
4. Step 4: Simplify right side
   82,160x = 17,056,360,000
5. Step 5: Solve for x
   x = 17,056,360,000/82,160
6. Step 6: Final answer
   x = 207,599.32