Finding the Third Proportional to 406,531.75 and 875,498

Step by Step Solution

1. Step 1: Write the proportion equation
   406,531.75 : 875,498 = 875,498 : x
2. Step 2: Convert to fraction form
   406,531.75/875,498 = 875,498/x
3. Step 3: Cross multiply
   406,531.75x = 875,498 × 875,498
4. Step 4: Simplify right side
   406,531.75x = 766,496,748,004
5. Step 5: Solve for x
   x = 766,496,748,004/406,531.75
6. Step 6: Final answer
   x = 1,885,453.59