Finding the Third Proportional to 272,196 and 580,500

Step by Step Solution

1. Step 1: Write the proportion equation
   272,196 : 580,500 = 580,500 : x
2. Step 2: Convert to fraction form
   272,196/580,500 = 580,500/x
3. Step 3: Cross multiply
   272,196x = 580,500 × 580,500
4. Step 4: Simplify right side
   272,196x = 336,980,250,000
5. Step 5: Solve for x
   x = 336,980,250,000/272,196
6. Step 6: Final answer
   x = 1,238,005.89