Finding the Third Proportional to 2,573,640 and 5,546,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,640 : 5,546,168 = 5,546,168 : x
2. Step 2: Convert to fraction form
   2,573,640/5,546,168 = 5,546,168/x
3. Step 3: Cross multiply
   2,573,640x = 5,546,168 × 5,546,168
4. Step 4: Simplify right side
   2,573,640x = 30,759,979,484,224
5. Step 5: Solve for x
   x = 30,759,979,484,224/2,573,640
6. Step 6: Final answer
   x = 11,951,935.58