Finding the Third Proportional to 645,876 and 1,008,058

Step by Step Solution

1. Step 1: Write the proportion equation
   645,876 : 1,008,058 = 1,008,058 : x
2. Step 2: Convert to fraction form
   645,876/1,008,058 = 1,008,058/x
3. Step 3: Cross multiply
   645,876x = 1,008,058 × 1,008,058
4. Step 4: Simplify right side
   645,876x = 1,016,180,931,364
5. Step 5: Solve for x
   x = 1,016,180,931,364/645,876
6. Step 6: Final answer
   x = 1,573,337.50