Finding the Third Proportional to 904,528 and 1,406,588

Step by Step Solution

1. Step 1: Write the proportion equation
   904,528 : 1,406,588 = 1,406,588 : x
2. Step 2: Convert to fraction form
   904,528/1,406,588 = 1,406,588/x
3. Step 3: Cross multiply
   904,528x = 1,406,588 × 1,406,588
4. Step 4: Simplify right side
   904,528x = 1,978,489,801,744
5. Step 5: Solve for x
   x = 1,978,489,801,744/904,528
6. Step 6: Final answer
   x = 2,187,317.37