Finding the Third Proportional to 82,440 and 116,460

Step by Step Solution

1. Step 1: Write the proportion equation
   82,440 : 116,460 = 116,460 : x
2. Step 2: Convert to fraction form
   82,440/116,460 = 116,460/x
3. Step 3: Cross multiply
   82,440x = 116,460 × 116,460
4. Step 4: Simplify right side
   82,440x = 13,562,931,600
5. Step 5: Solve for x
   x = 13,562,931,600/82,440
6. Step 6: Final answer
   x = 164,518.82