Finding the Third Proportional to 2,629,160 and 5,656,840

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629,160 : 5,656,840 = 5,656,840 : x
2. Step 2: Convert to fraction form
   2,629,160/5,656,840 = 5,656,840/x
3. Step 3: Cross multiply
   2,629,160x = 5,656,840 × 5,656,840
4. Step 4: Simplify right side
   2,629,160x = 31,999,838,785,600
5. Step 5: Solve for x
   x = 31,999,838,785,600/2,629,160
6. Step 6: Final answer
   x = 12,171,126.44