Finding the Third Proportional to 1,428,156 and 2,974,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,156 : 2,974,680 = 2,974,680 : x
2. Step 2: Convert to fraction form
   1,428,156/2,974,680 = 2,974,680/x
3. Step 3: Cross multiply
   1,428,156x = 2,974,680 × 2,974,680
4. Step 4: Simplify right side
   1,428,156x = 8,848,721,102,400
5. Step 5: Solve for x
   x = 8,848,721,102,400/1,428,156
6. Step 6: Final answer
   x = 6,195,906.54