Finding the Third Proportional to 406,302 and 875,040

Step by Step Solution

1. Step 1: Write the proportion equation
   406,302 : 875,040 = 875,040 : x
2. Step 2: Convert to fraction form
   406,302/875,040 = 875,040/x
3. Step 3: Cross multiply
   406,302x = 875,040 × 875,040
4. Step 4: Simplify right side
   406,302x = 765,695,001,600
5. Step 5: Solve for x
   x = 765,695,001,600/406,302
6. Step 6: Final answer
   x = 1,884,546.47