Finding the Third Proportional to 172,048 and 253,010

Step by Step Solution

1. Step 1: Write the proportion equation
   172,048 : 253,010 = 253,010 : x
2. Step 2: Convert to fraction form
   172,048/253,010 = 253,010/x
3. Step 3: Cross multiply
   172,048x = 253,010 × 253,010
4. Step 4: Simplify right side
   172,048x = 64,014,060,100
5. Step 5: Solve for x
   x = 64,014,060,100/172,048
6. Step 6: Final answer
   x = 372,070.93