Finding the Third Proportional to 543,472 and 1,191,812

Step by Step Solution

1. Step 1: Write the proportion equation
   543,472 : 1,191,812 = 1,191,812 : x
2. Step 2: Convert to fraction form
   543,472/1,191,812 = 1,191,812/x
3. Step 3: Cross multiply
   543,472x = 1,191,812 × 1,191,812
4. Step 4: Simplify right side
   543,472x = 1,420,415,843,344
5. Step 5: Solve for x
   x = 1,420,415,843,344/543,472
6. Step 6: Final answer
   x = 2,613,595.26