Finding the Third Proportional to 1,137,721 and 2,437,370

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,721 : 2,437,370 = 2,437,370 : x
2. Step 2: Convert to fraction form
   1,137,721/2,437,370 = 2,437,370/x
3. Step 3: Cross multiply
   1,137,721x = 2,437,370 × 2,437,370
4. Step 4: Simplify right side
   1,137,721x = 5,940,772,516,900
5. Step 5: Solve for x
   x = 5,940,772,516,900/1,137,721
6. Step 6: Final answer
   x = 5,221,642.67