Finding the Third Proportional to 79,080 and 123,156

Step by Step Solution

1. Step 1: Write the proportion equation
   79,080 : 123,156 = 123,156 : x
2. Step 2: Convert to fraction form
   79,080/123,156 = 123,156/x
3. Step 3: Cross multiply
   79,080x = 123,156 × 123,156
4. Step 4: Simplify right side
   79,080x = 15,167,400,336
5. Step 5: Solve for x
   x = 15,167,400,336/79,080
6. Step 6: Final answer
   x = 191,798.18