Finding the Third Proportional to 173,345 and 275,810

Step by Step Solution

1. Step 1: Write the proportion equation
   173,345 : 275,810 = 275,810 : x
2. Step 2: Convert to fraction form
   173,345/275,810 = 275,810/x
3. Step 3: Cross multiply
   173,345x = 275,810 × 275,810
4. Step 4: Simplify right side
   173,345x = 76,071,156,100
5. Step 5: Solve for x
   x = 76,071,156,100/173,345
6. Step 6: Final answer
   x = 438,842.52