Finding the Third Proportional to 543,840 and 1,166,412

Step by Step Solution

1. Step 1: Write the proportion equation
   543,840 : 1,166,412 = 1,166,412 : x
2. Step 2: Convert to fraction form
   543,840/1,166,412 = 1,166,412/x
3. Step 3: Cross multiply
   543,840x = 1,166,412 × 1,166,412
4. Step 4: Simplify right side
   543,840x = 1,360,516,953,744
5. Step 5: Solve for x
   x = 1,360,516,953,744/543,840
6. Step 6: Final answer
   x = 2,501,686.07