Finding the Third Proportional to 407,605.50 and 885,331.69

Step by Step Solution

1. Step 1: Write the proportion equation
   407,605.50 : 885,331.69 = 885,331.69 : x
2. Step 2: Convert to fraction form
   407,605.50/885,331.69 = 885,331.69/x
3. Step 3: Cross multiply
   407,605.50x = 885,331.69 × 885,331.69
4. Step 4: Simplify right side
   407,605.50x = 783,812,196,891.60
5. Step 5: Solve for x
   x = 783,812,196,891.60/407,605.50
6. Step 6: Final answer
   x = 1,922,967.67