Finding the Third Proportional to 407,867.25 and 874,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,867.25 : 874,762.50 = 874,762.50 : x
2. Step 2: Convert to fraction form
   407,867.25/874,762.50 = 874,762.50/x
3. Step 3: Cross multiply
   407,867.25x = 874,762.50 × 874,762.50
4. Step 4: Simplify right side
   407,867.25x = 765,209,431,406.25
5. Step 5: Solve for x
   x = 765,209,431,406.25/407,867.25
6. Step 6: Final answer
   x = 1,876,123.74