Finding the Third Proportional to 1,228,032 and 2,642,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,032 : 2,642,688 = 2,642,688 : x
2. Step 2: Convert to fraction form
   1,228,032/2,642,688 = 2,642,688/x
3. Step 3: Cross multiply
   1,228,032x = 2,642,688 × 2,642,688
4. Step 4: Simplify right side
   1,228,032x = 6,983,799,865,344
5. Step 5: Solve for x
   x = 6,983,799,865,344/1,228,032
6. Step 6: Final answer
   x = 5,686,985.25