Finding the Third Proportional to 2,626,419 and 5,645,148

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626,419 : 5,645,148 = 5,645,148 : x
2. Step 2: Convert to fraction form
   2,626,419/5,645,148 = 5,645,148/x
3. Step 3: Cross multiply
   2,626,419x = 5,645,148 × 5,645,148
4. Step 4: Simplify right side
   2,626,419x = 31,867,695,941,904
5. Step 5: Solve for x
   x = 31,867,695,941,904/2,626,419
6. Step 6: Final answer
   x = 12,133,515.61