Finding the Third Proportional to 807,678 and 1,762,047

Step by Step Solution

1. Step 1: Write the proportion equation
   807,678 : 1,762,047 = 1,762,047 : x
2. Step 2: Convert to fraction form
   807,678/1,762,047 = 1,762,047/x
3. Step 3: Cross multiply
   807,678x = 1,762,047 × 1,762,047
4. Step 4: Simplify right side
   807,678x = 3,104,809,630,209
5. Step 5: Solve for x
   x = 3,104,809,630,209/807,678
6. Step 6: Final answer
   x = 3,844,118.11