Finding the Third Proportional to 9,838,427 and 21,613,791

Step by Step Solution

1. Step 1: Write the proportion equation
   9,838,427 : 21,613,791 = 21,613,791 : x
2. Step 2: Convert to fraction form
   9,838,427/21,613,791 = 21,613,791/x
3. Step 3: Cross multiply
   9,838,427x = 21,613,791 × 21,613,791
4. Step 4: Simplify right side
   9,838,427x = 467,155,961,391,681
5. Step 5: Solve for x
   x = 467,155,961,391,681/9,838,427
6. Step 6: Final answer
   x = 47,482,789.82