Finding the Third Proportional to 545,344 and 1,140,799

Step by Step Solution

1. Step 1: Write the proportion equation
   545,344 : 1,140,799 = 1,140,799 : x
2. Step 2: Convert to fraction form
   545,344/1,140,799 = 1,140,799/x
3. Step 3: Cross multiply
   545,344x = 1,140,799 × 1,140,799
4. Step 4: Simplify right side
   545,344x = 1,301,422,358,401
5. Step 5: Solve for x
   x = 1,301,422,358,401/545,344
6. Step 6: Final answer
   x = 2,386,424.64