Finding the Third Proportional to 21,008,892 and 45,698,748

Step by Step Solution

1. Step 1: Write the proportion equation
   21,008,892 : 45,698,748 = 45,698,748 : x
2. Step 2: Convert to fraction form
   21,008,892/45,698,748 = 45,698,748/x
3. Step 3: Cross multiply
   21,008,892x = 45,698,748 × 45,698,748
4. Step 4: Simplify right side
   21,008,892x = 2,088,375,568,767,504
5. Step 5: Solve for x
   x = 2,088,375,568,767,504/21,008,892
6. Step 6: Final answer
   x = 99,404,365.01