Finding the Third Proportional to 1,187,552 and 2,588,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,552 : 2,588,228 = 2,588,228 : x
2. Step 2: Convert to fraction form
   1,187,552/2,588,228 = 2,588,228/x
3. Step 3: Cross multiply
   1,187,552x = 2,588,228 × 2,588,228
4. Step 4: Simplify right side
   1,187,552x = 6,698,924,179,984
5. Step 5: Solve for x
   x = 6,698,924,179,984/1,187,552
6. Step 6: Final answer
   x = 5,640,952.30