Finding the Third Proportional to 272,894 and 559,300

Step by Step Solution

1. Step 1: Write the proportion equation
   272,894 : 559,300 = 559,300 : x
2. Step 2: Convert to fraction form
   272,894/559,300 = 559,300/x
3. Step 3: Cross multiply
   272,894x = 559,300 × 559,300
4. Step 4: Simplify right side
   272,894x = 312,816,490,000
5. Step 5: Solve for x
   x = 312,816,490,000/272,894
6. Step 6: Final answer
   x = 1,146,293.03