Finding the Third Proportional to 1,387,788 and 2,958,796

Step by Step Solution

1. Step 1: Write the proportion equation
   1,387,788 : 2,958,796 = 2,958,796 : x
2. Step 2: Convert to fraction form
   1,387,788/2,958,796 = 2,958,796/x
3. Step 3: Cross multiply
   1,387,788x = 2,958,796 × 2,958,796
4. Step 4: Simplify right side
   1,387,788x = 8,754,473,769,616
5. Step 5: Solve for x
   x = 8,754,473,769,616/1,387,788
6. Step 6: Final answer
   x = 6,308,221.26