Finding the Third Proportional to 1,028,432 and 2,214,905

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,432 : 2,214,905 = 2,214,905 : x
2. Step 2: Convert to fraction form
   1,028,432/2,214,905 = 2,214,905/x
3. Step 3: Cross multiply
   1,028,432x = 2,214,905 × 2,214,905
4. Step 4: Simplify right side
   1,028,432x = 4,905,804,159,025
5. Step 5: Solve for x
   x = 4,905,804,159,025/1,028,432
6. Step 6: Final answer
   x = 4,770,178.45