Finding the Third Proportional to 1,387,777 and 2,958,776

Step by Step Solution

1. Step 1: Write the proportion equation
   1,387,777 : 2,958,776 = 2,958,776 : x
2. Step 2: Convert to fraction form
   1,387,777/2,958,776 = 2,958,776/x
3. Step 3: Cross multiply
   1,387,777x = 2,958,776 × 2,958,776
4. Step 4: Simplify right side
   1,387,777x = 8,754,355,418,176
5. Step 5: Solve for x
   x = 8,754,355,418,176/1,387,777
6. Step 6: Final answer
   x = 6,308,185.98