Finding the Third Proportional to 133,042 and 272,298

Step by Step Solution

1. Step 1: Write the proportion equation
   133,042 : 272,298 = 272,298 : x
2. Step 2: Convert to fraction form
   133,042/272,298 = 272,298/x
3. Step 3: Cross multiply
   133,042x = 272,298 × 272,298
4. Step 4: Simplify right side
   133,042x = 74,146,200,804
5. Step 5: Solve for x
   x = 74,146,200,804/133,042
6. Step 6: Final answer
   x = 557,314.24