Finding the Third Proportional to 21,978,897 and 32,309,805

Step by Step Solution

1. Step 1: Write the proportion equation
   21,978,897 : 32,309,805 = 32,309,805 : x
2. Step 2: Convert to fraction form
   21,978,897/32,309,805 = 32,309,805/x
3. Step 3: Cross multiply
   21,978,897x = 32,309,805 × 32,309,805
4. Step 4: Simplify right side
   21,978,897x = 1,043,923,499,138,025
5. Step 5: Solve for x
   x = 1,043,923,499,138,025/21,978,897
6. Step 6: Final answer
   x = 47,496,628.20