Finding the Third Proportional to 721,047 and 1,669,182

Step by Step Solution

1. Step 1: Write the proportion equation
   721,047 : 1,669,182 = 1,669,182 : x
2. Step 2: Convert to fraction form
   721,047/1,669,182 = 1,669,182/x
3. Step 3: Cross multiply
   721,047x = 1,669,182 × 1,669,182
4. Step 4: Simplify right side
   721,047x = 2,786,168,549,124
5. Step 5: Solve for x
   x = 2,786,168,549,124/721,047
6. Step 6: Final answer
   x = 3,864,059.55