Finding the Third Proportional to 2,160,218 and 4,727,284

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,218 : 4,727,284 = 4,727,284 : x
2. Step 2: Convert to fraction form
   2,160,218/4,727,284 = 4,727,284/x
3. Step 3: Cross multiply
   2,160,218x = 4,727,284 × 4,727,284
4. Step 4: Simplify right side
   2,160,218x = 22,347,214,016,656
5. Step 5: Solve for x
   x = 22,347,214,016,656/2,160,218
6. Step 6: Final answer
   x = 10,344,888.35