Finding the Third Proportional to 2,604,422 and 5,608,859

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604,422 : 5,608,859 = 5,608,859 : x
2. Step 2: Convert to fraction form
   2,604,422/5,608,859 = 5,608,859/x
3. Step 3: Cross multiply
   2,604,422x = 5,608,859 × 5,608,859
4. Step 4: Simplify right side
   2,604,422x = 31,459,299,281,881
5. Step 5: Solve for x
   x = 31,459,299,281,881/2,604,422
6. Step 6: Final answer
   x = 12,079,186.58