Finding the Third Proportional to 2,602,194 and 5,638,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,194 : 5,638,788 = 5,638,788 : x
2. Step 2: Convert to fraction form
   2,602,194/5,638,788 = 5,638,788/x
3. Step 3: Cross multiply
   2,602,194x = 5,638,788 × 5,638,788
4. Step 4: Simplify right side
   2,602,194x = 31,795,930,108,944
5. Step 5: Solve for x
   x = 31,795,930,108,944/2,602,194
6. Step 6: Final answer
   x = 12,218,893.02