Finding the Third Proportional to 21,686,688 and 45,609,862

Step by Step Solution

1. Step 1: Write the proportion equation
   21,686,688 : 45,609,862 = 45,609,862 : x
2. Step 2: Convert to fraction form
   21,686,688/45,609,862 = 45,609,862/x
3. Step 3: Cross multiply
   21,686,688x = 45,609,862 × 45,609,862
4. Step 4: Simplify right side
   21,686,688x = 2,080,259,511,659,044
5. Step 5: Solve for x
   x = 2,080,259,511,659,044/21,686,688
6. Step 6: Final answer
   x = 95,923,338.39