Finding the Third Proportional to 21,978,807 and 32,309,676

Step by Step Solution

1. Step 1: Write the proportion equation
   21,978,807 : 32,309,676 = 32,309,676 : x
2. Step 2: Convert to fraction form
   21,978,807/32,309,676 = 32,309,676/x
3. Step 3: Cross multiply
   21,978,807x = 32,309,676 × 32,309,676
4. Step 4: Simplify right side
   21,978,807x = 1,043,915,163,224,976
5. Step 5: Solve for x
   x = 1,043,915,163,224,976/21,978,807
6. Step 6: Final answer
   x = 47,496,443.43