Finding the Third Proportional to 645,876 and 1,008,057.38

Step by Step Solution

1. Step 1: Write the proportion equation
   645,876 : 1,008,057.38 = 1,008,057.38 : x
2. Step 2: Convert to fraction form
   645,876/1,008,057.38 = 1,008,057.38/x
3. Step 3: Cross multiply
   645,876x = 1,008,057.38 × 1,008,057.38
4. Step 4: Simplify right side
   645,876x = 1,016,179,671,291.89
5. Step 5: Solve for x
   x = 1,016,179,671,291.89/645,876
6. Step 6: Final answer
   x = 1,573,335.55