Finding the Third Proportional to 368,169 and 806,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,169 : 806,605.50 = 806,605.50 : x
2. Step 2: Convert to fraction form
   368,169/806,605.50 = 806,605.50/x
3. Step 3: Cross multiply
   368,169x = 806,605.50 × 806,605.50
4. Step 4: Simplify right side
   368,169x = 650,612,432,630.25
5. Step 5: Solve for x
   x = 650,612,432,630.25/368,169
6. Step 6: Final answer
   x = 1,767,157.02