Finding the Third Proportional to 409,086 and 875,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   409,086 : 875,029.50 = 875,029.50 : x
2. Step 2: Convert to fraction form
   409,086/875,029.50 = 875,029.50/x
3. Step 3: Cross multiply
   409,086x = 875,029.50 × 875,029.50
4. Step 4: Simplify right side
   409,086x = 765,676,625,870.25
5. Step 5: Solve for x
   x = 765,676,625,870.25/409,086
6. Step 6: Final answer
   x = 1,871,676.43