Finding the Third Proportional to 841,434 and 1,811,172

Step by Step Solution

1. Step 1: Write the proportion equation
   841,434 : 1,811,172 = 1,811,172 : x
2. Step 2: Convert to fraction form
   841,434/1,811,172 = 1,811,172/x
3. Step 3: Cross multiply
   841,434x = 1,811,172 × 1,811,172
4. Step 4: Simplify right side
   841,434x = 3,280,344,013,584
5. Step 5: Solve for x
   x = 3,280,344,013,584/841,434
6. Step 6: Final answer
   x = 3,898,516.12