Finding the Third Proportional to 272,918 and 592,456

Step by Step Solution

1. Step 1: Write the proportion equation
   272,918 : 592,456 = 592,456 : x
2. Step 2: Convert to fraction form
   272,918/592,456 = 592,456/x
3. Step 3: Cross multiply
   272,918x = 592,456 × 592,456
4. Step 4: Simplify right side
   272,918x = 351,004,111,936
5. Step 5: Solve for x
   x = 351,004,111,936/272,918
6. Step 6: Final answer
   x = 1,286,115.65