Finding the Third Proportional to 2,146,239 and 4,665,217.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,239 : 4,665,217.50 = 4,665,217.50 : x
2. Step 2: Convert to fraction form
   2,146,239/4,665,217.50 = 4,665,217.50/x
3. Step 3: Cross multiply
   2,146,239x = 4,665,217.50 × 4,665,217.50
4. Step 4: Simplify right side
   2,146,239x = 21,764,254,322,306.25
5. Step 5: Solve for x
   x = 21,764,254,322,306.25/2,146,239
6. Step 6: Final answer
   x = 10,140,648.05