Finding the Third Proportional to 1,009,426 and 2,177,349

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,426 : 2,177,349 = 2,177,349 : x
2. Step 2: Convert to fraction form
   1,009,426/2,177,349 = 2,177,349/x
3. Step 3: Cross multiply
   1,009,426x = 2,177,349 × 2,177,349
4. Step 4: Simplify right side
   1,009,426x = 4,740,848,667,801
5. Step 5: Solve for x
   x = 4,740,848,667,801/1,009,426
6. Step 6: Final answer
   x = 4,696,578.72