Finding the Third Proportional to 21,686,738 and 45,609,948

Step by Step Solution

1. Step 1: Write the proportion equation
   21,686,738 : 45,609,948 = 45,609,948 : x
2. Step 2: Convert to fraction form
   21,686,738/45,609,948 = 45,609,948/x
3. Step 3: Cross multiply
   21,686,738x = 45,609,948 × 45,609,948
4. Step 4: Simplify right side
   21,686,738x = 2,080,267,356,562,704
5. Step 5: Solve for x
   x = 2,080,267,356,562,704/21,686,738
6. Step 6: Final answer
   x = 95,923,478.97