Finding the Third Proportional to 2,558,946 and 5,472,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,946 : 5,472,168 = 5,472,168 : x
2. Step 2: Convert to fraction form
   2,558,946/5,472,168 = 5,472,168/x
3. Step 3: Cross multiply
   2,558,946x = 5,472,168 × 5,472,168
4. Step 4: Simplify right side
   2,558,946x = 29,944,622,620,224
5. Step 5: Solve for x
   x = 29,944,622,620,224/2,558,946
6. Step 6: Final answer
   x = 11,701,936.12