Finding the Third Proportional to 267,320 and 556,684

Step by Step Solution

1. Step 1: Write the proportion equation
   267,320 : 556,684 = 556,684 : x
2. Step 2: Convert to fraction form
   267,320/556,684 = 556,684/x
3. Step 3: Cross multiply
   267,320x = 556,684 × 556,684
4. Step 4: Simplify right side
   267,320x = 309,897,075,856
5. Step 5: Solve for x
   x = 309,897,075,856/267,320
6. Step 6: Final answer
   x = 1,159,273.81