Finding the Third Proportional to 1,428,310 and 2,974,988

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,310 : 2,974,988 = 2,974,988 : x
2. Step 2: Convert to fraction form
   1,428,310/2,974,988 = 2,974,988/x
3. Step 3: Cross multiply
   1,428,310x = 2,974,988 × 2,974,988
4. Step 4: Simplify right side
   1,428,310x = 8,850,553,600,144
5. Step 5: Solve for x
   x = 8,850,553,600,144/1,428,310
6. Step 6: Final answer
   x = 6,196,521.48