Finding the Third Proportional to 406,276.50 and 874,986

Step by Step Solution

1. Step 1: Write the proportion equation
   406,276.50 : 874,986 = 874,986 : x
2. Step 2: Convert to fraction form
   406,276.50/874,986 = 874,986/x
3. Step 3: Cross multiply
   406,276.50x = 874,986 × 874,986
4. Step 4: Simplify right side
   406,276.50x = 765,600,500,196
5. Step 5: Solve for x
   x = 765,600,500,196/406,276.50
6. Step 6: Final answer
   x = 1,884,432.15