Finding the Third Proportional to 127,150 and 279,196

Step by Step Solution

1. Step 1: Write the proportion equation
   127,150 : 279,196 = 279,196 : x
2. Step 2: Convert to fraction form
   127,150/279,196 = 279,196/x
3. Step 3: Cross multiply
   127,150x = 279,196 × 279,196
4. Step 4: Simplify right side
   127,150x = 77,950,406,416
5. Step 5: Solve for x
   x = 77,950,406,416/127,150
6. Step 6: Final answer
   x = 613,058.64