Finding the Third Proportional to 487,982 and 1,038,172

Step by Step Solution

1. Step 1: Write the proportion equation
   487,982 : 1,038,172 = 1,038,172 : x
2. Step 2: Convert to fraction form
   487,982/1,038,172 = 1,038,172/x
3. Step 3: Cross multiply
   487,982x = 1,038,172 × 1,038,172
4. Step 4: Simplify right side
   487,982x = 1,077,801,101,584
5. Step 5: Solve for x
   x = 1,077,801,101,584/487,982
6. Step 6: Final answer
   x = 2,208,690.28