Finding the Third Proportional to 406,285.50 and 875,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,285.50 : 875,008.50 = 875,008.50 : x
2. Step 2: Convert to fraction form
   406,285.50/875,008.50 = 875,008.50/x
3. Step 3: Cross multiply
   406,285.50x = 875,008.50 × 875,008.50
4. Step 4: Simplify right side
   406,285.50x = 765,639,875,072.25
5. Step 5: Solve for x
   x = 765,639,875,072.25/406,285.50
6. Step 6: Final answer
   x = 1,884,487.32