Finding the Third Proportional to 469,404 and 1,013,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   469,404 : 1,013,638.50 = 1,013,638.50 : x
2. Step 2: Convert to fraction form
   469,404/1,013,638.50 = 1,013,638.50/x
3. Step 3: Cross multiply
   469,404x = 1,013,638.50 × 1,013,638.50
4. Step 4: Simplify right side
   469,404x = 1,027,463,008,682.25
5. Step 5: Solve for x
   x = 1,027,463,008,682.25/469,404
6. Step 6: Final answer
   x = 2,188,867.18