Finding the Third Proportional to 508,172 and 1,003,490

Step by Step Solution

1. Step 1: Write the proportion equation
   508,172 : 1,003,490 = 1,003,490 : x
2. Step 2: Convert to fraction form
   508,172/1,003,490 = 1,003,490/x
3. Step 3: Cross multiply
   508,172x = 1,003,490 × 1,003,490
4. Step 4: Simplify right side
   508,172x = 1,006,992,180,100
5. Step 5: Solve for x
   x = 1,006,992,180,100/508,172
6. Step 6: Final answer
   x = 1,981,597.14