Finding the Third Proportional to 2,620,902 and 5,606,142

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,902 : 5,606,142 = 5,606,142 : x
2. Step 2: Convert to fraction form
   2,620,902/5,606,142 = 5,606,142/x
3. Step 3: Cross multiply
   2,620,902x = 5,606,142 × 5,606,142
4. Step 4: Simplify right side
   2,620,902x = 31,428,828,124,164
5. Step 5: Solve for x
   x = 31,428,828,124,164/2,620,902
6. Step 6: Final answer
   x = 11,991,607.52