Finding the Third Proportional to 9,781,164 and 21,243,854

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,164 : 21,243,854 = 21,243,854 : x
2. Step 2: Convert to fraction form
   9,781,164/21,243,854 = 21,243,854/x
3. Step 3: Cross multiply
   9,781,164x = 21,243,854 × 21,243,854
4. Step 4: Simplify right side
   9,781,164x = 451,301,332,773,316
5. Step 5: Solve for x
   x = 451,301,332,773,316/9,781,164
6. Step 6: Final answer
   x = 46,139,839.06