Finding the Third Proportional to 123,880 and 271,820

Step by Step Solution

1. Step 1: Write the proportion equation
   123,880 : 271,820 = 271,820 : x
2. Step 2: Convert to fraction form
   123,880/271,820 = 271,820/x
3. Step 3: Cross multiply
   123,880x = 271,820 × 271,820
4. Step 4: Simplify right side
   123,880x = 73,886,112,400
5. Step 5: Solve for x
   x = 73,886,112,400/123,880
6. Step 6: Final answer
   x = 596,432.94