Finding the Third Proportional to 9,113,746 and 21,513,856

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113,746 : 21,513,856 = 21,513,856 : x
2. Step 2: Convert to fraction form
   9,113,746/21,513,856 = 21,513,856/x
3. Step 3: Cross multiply
   9,113,746x = 21,513,856 × 21,513,856
4. Step 4: Simplify right side
   9,113,746x = 462,845,999,988,736
5. Step 5: Solve for x
   x = 462,845,999,988,736/9,113,746
6. Step 6: Final answer
   x = 50,785,483.82