Finding the Third Proportional to 545,405 and 1,171,769

Step by Step Solution

1. Step 1: Write the proportion equation
   545,405 : 1,171,769 = 1,171,769 : x
2. Step 2: Convert to fraction form
   545,405/1,171,769 = 1,171,769/x
3. Step 3: Cross multiply
   545,405x = 1,171,769 × 1,171,769
4. Step 4: Simplify right side
   545,405x = 1,373,042,589,361
5. Step 5: Solve for x
   x = 1,373,042,589,361/545,405
6. Step 6: Final answer
   x = 2,517,473.42