Finding the Third Proportional to 2,161,188 and 4,702,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,188 : 4,702,920 = 4,702,920 : x
2. Step 2: Convert to fraction form
   2,161,188/4,702,920 = 4,702,920/x
3. Step 3: Cross multiply
   2,161,188x = 4,702,920 × 4,702,920
4. Step 4: Simplify right side
   2,161,188x = 22,117,456,526,400
5. Step 5: Solve for x
   x = 22,117,456,526,400/2,161,188
6. Step 6: Final answer
   x = 10,233,934.54