Finding the Third Proportional to 1,823,644 and 4,221,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,823,644 : 4,221,764 = 4,221,764 : x
2. Step 2: Convert to fraction form
   1,823,644/4,221,764 = 4,221,764/x
3. Step 3: Cross multiply
   1,823,644x = 4,221,764 × 4,221,764
4. Step 4: Simplify right side
   1,823,644x = 17,823,291,271,696
5. Step 5: Solve for x
   x = 17,823,291,271,696/1,823,644
6. Step 6: Final answer
   x = 9,773,448.80