Finding the Third Proportional to 129,294 and 270,300

Step by Step Solution

1. Step 1: Write the proportion equation
   129,294 : 270,300 = 270,300 : x
2. Step 2: Convert to fraction form
   129,294/270,300 = 270,300/x
3. Step 3: Cross multiply
   129,294x = 270,300 × 270,300
4. Step 4: Simplify right side
   129,294x = 73,062,090,000
5. Step 5: Solve for x
   x = 73,062,090,000/129,294
6. Step 6: Final answer
   x = 565,084.92