Finding the Third Proportional to 409,293 and 861,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   409,293 : 861,001.50 = 861,001.50 : x
2. Step 2: Convert to fraction form
   409,293/861,001.50 = 861,001.50/x
3. Step 3: Cross multiply
   409,293x = 861,001.50 × 861,001.50
4. Step 4: Simplify right side
   409,293x = 741,323,583,002.25
5. Step 5: Solve for x
   x = 741,323,583,002.25/409,293
6. Step 6: Final answer
   x = 1,811,229.57