Finding the Third Proportional to 548,158 and 1,156,299

Step by Step Solution

1. Step 1: Write the proportion equation
   548,158 : 1,156,299 = 1,156,299 : x
2. Step 2: Convert to fraction form
   548,158/1,156,299 = 1,156,299/x
3. Step 3: Cross multiply
   548,158x = 1,156,299 × 1,156,299
4. Step 4: Simplify right side
   548,158x = 1,337,027,377,401
5. Step 5: Solve for x
   x = 1,337,027,377,401/548,158
6. Step 6: Final answer
   x = 2,439,127.73