Finding the Third Proportional to 845,645 and 1,779,823

Step by Step Solution

1. Step 1: Write the proportion equation
   845,645 : 1,779,823 = 1,779,823 : x
2. Step 2: Convert to fraction form
   845,645/1,779,823 = 1,779,823/x
3. Step 3: Cross multiply
   845,645x = 1,779,823 × 1,779,823
4. Step 4: Simplify right side
   845,645x = 3,167,769,911,329
5. Step 5: Solve for x
   x = 3,167,769,911,329/845,645
6. Step 6: Final answer
   x = 3,745,980.77