Finding the Third Proportional to 1,176,144 and 2,551,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,176,144 : 2,551,440 = 2,551,440 : x
2. Step 2: Convert to fraction form
   1,176,144/2,551,440 = 2,551,440/x
3. Step 3: Cross multiply
   1,176,144x = 2,551,440 × 2,551,440
4. Step 4: Simplify right side
   1,176,144x = 6,509,846,073,600
5. Step 5: Solve for x
   x = 6,509,846,073,600/1,176,144
6. Step 6: Final answer
   x = 5,534,905.65