Finding the Third Proportional to 1,176,138 and 2,551,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,176,138 : 2,551,428 = 2,551,428 : x
2. Step 2: Convert to fraction form
   1,176,138/2,551,428 = 2,551,428/x
3. Step 3: Cross multiply
   1,176,138x = 2,551,428 × 2,551,428
4. Step 4: Simplify right side
   1,176,138x = 6,509,784,839,184
5. Step 5: Solve for x
   x = 6,509,784,839,184/1,176,138
6. Step 6: Final answer
   x = 5,534,881.82