Finding the Third Proportional to 878,727 and 1,406,535

Step by Step Solution

1. Step 1: Write the proportion equation
   878,727 : 1,406,535 = 1,406,535 : x
2. Step 2: Convert to fraction form
   878,727/1,406,535 = 1,406,535/x
3. Step 3: Cross multiply
   878,727x = 1,406,535 × 1,406,535
4. Step 4: Simplify right side
   878,727x = 1,978,340,706,225
5. Step 5: Solve for x
   x = 1,978,340,706,225/878,727
6. Step 6: Final answer
   x = 2,251,371.25