Finding the Third Proportional to 176,718 and 267,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   176,718 : 267,649.50 = 267,649.50 : x
2. Step 2: Convert to fraction form
   176,718/267,649.50 = 267,649.50/x
3. Step 3: Cross multiply
   176,718x = 267,649.50 × 267,649.50
4. Step 4: Simplify right side
   176,718x = 71,636,254,850.25
5. Step 5: Solve for x
   x = 71,636,254,850.25/176,718
6. Step 6: Final answer
   x = 405,370.45