Finding the Third Proportional to 1,387,790 and 2,958,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,387,790 : 2,958,800 = 2,958,800 : x
2. Step 2: Convert to fraction form
   1,387,790/2,958,800 = 2,958,800/x
3. Step 3: Cross multiply
   1,387,790x = 2,958,800 × 2,958,800
4. Step 4: Simplify right side
   1,387,790x = 8,754,497,440,000
5. Step 5: Solve for x
   x = 8,754,497,440,000/1,387,790
6. Step 6: Final answer
   x = 6,308,229.23