Finding the Third Proportional to 414,167.25 and 905,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,167.25 : 905,878.50 = 905,878.50 : x
2. Step 2: Convert to fraction form
   414,167.25/905,878.50 = 905,878.50/x
3. Step 3: Cross multiply
   414,167.25x = 905,878.50 × 905,878.50
4. Step 4: Simplify right side
   414,167.25x = 820,615,856,762.25
5. Step 5: Solve for x
   x = 820,615,856,762.25/414,167.25
6. Step 6: Final answer
   x = 1,981,363.46