Finding the Third Proportional to 9,727,806 and 21,283,940

Step by Step Solution

1. Step 1: Write the proportion equation
   9,727,806 : 21,283,940 = 21,283,940 : x
2. Step 2: Convert to fraction form
   9,727,806/21,283,940 = 21,283,940/x
3. Step 3: Cross multiply
   9,727,806x = 21,283,940 × 21,283,940
4. Step 4: Simplify right side
   9,727,806x = 453,006,101,923,600
5. Step 5: Solve for x
   x = 453,006,101,923,600/9,727,806
6. Step 6: Final answer
   x = 46,568,167.78