Finding the Third Proportional to 127,012 and 278,932

Step by Step Solution

1. Step 1: Write the proportion equation
   127,012 : 278,932 = 278,932 : x
2. Step 2: Convert to fraction form
   127,012/278,932 = 278,932/x
3. Step 3: Cross multiply
   127,012x = 278,932 × 278,932
4. Step 4: Simplify right side
   127,012x = 77,803,060,624
5. Step 5: Solve for x
   x = 77,803,060,624/127,012
6. Step 6: Final answer
   x = 612,564.64