Finding the Third Proportional to 170,616 and 267,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,616 : 267,622.50 = 267,622.50 : x
2. Step 2: Convert to fraction form
   170,616/267,622.50 = 267,622.50/x
3. Step 3: Cross multiply
   170,616x = 267,622.50 × 267,622.50
4. Step 4: Simplify right side
   170,616x = 71,621,802,506.25
5. Step 5: Solve for x
   x = 71,621,802,506.25/170,616
6. Step 6: Final answer
   x = 419,783.62