Finding the Third Proportional to 1,209,460 and 2,648,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,460 : 2,648,072 = 2,648,072 : x
2. Step 2: Convert to fraction form
   1,209,460/2,648,072 = 2,648,072/x
3. Step 3: Cross multiply
   1,209,460x = 2,648,072 × 2,648,072
4. Step 4: Simplify right side
   1,209,460x = 7,012,285,317,184
5. Step 5: Solve for x
   x = 7,012,285,317,184/1,209,460
6. Step 6: Final answer
   x = 5,797,864.60