Finding the Third Proportional to 406,290 and 875,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,290 : 875,017.50 = 875,017.50 : x
2. Step 2: Convert to fraction form
   406,290/875,017.50 = 875,017.50/x
3. Step 3: Cross multiply
   406,290x = 875,017.50 × 875,017.50
4. Step 4: Simplify right side
   406,290x = 765,655,625,306.25
5. Step 5: Solve for x
   x = 765,655,625,306.25/406,290
6. Step 6: Final answer
   x = 1,884,505.22