Finding the Third Proportional to 21,686,692 and 45,609,870

Step by Step Solution

1. Step 1: Write the proportion equation
   21,686,692 : 45,609,870 = 45,609,870 : x
2. Step 2: Convert to fraction form
   21,686,692/45,609,870 = 45,609,870/x
3. Step 3: Cross multiply
   21,686,692x = 45,609,870 × 45,609,870
4. Step 4: Simplify right side
   21,686,692x = 2,080,260,241,416,900
5. Step 5: Solve for x
   x = 2,080,260,241,416,900/21,686,692
6. Step 6: Final answer
   x = 95,923,354.35