Finding the Third Proportional to 21,054,768 and 45,917,184

Step by Step Solution

1. Step 1: Write the proportion equation
   21,054,768 : 45,917,184 = 45,917,184 : x
2. Step 2: Convert to fraction form
   21,054,768/45,917,184 = 45,917,184/x
3. Step 3: Cross multiply
   21,054,768x = 45,917,184 × 45,917,184
4. Step 4: Simplify right side
   21,054,768x = 2,108,387,786,489,856
5. Step 5: Solve for x
   x = 2,108,387,786,489,856/21,054,768
6. Step 6: Final answer
   x = 100,138,257.83