Finding the Third Proportional to 265,380 and 555,342

Step by Step Solution

1. Step 1: Write the proportion equation
   265,380 : 555,342 = 555,342 : x
2. Step 2: Convert to fraction form
   265,380/555,342 = 555,342/x
3. Step 3: Cross multiply
   265,380x = 555,342 × 555,342
4. Step 4: Simplify right side
   265,380x = 308,404,736,964
5. Step 5: Solve for x
   x = 308,404,736,964/265,380
6. Step 6: Final answer
   x = 1,162,125.02