Finding the Third Proportional to 21,978,816 and 32,309,730

Step by Step Solution

1. Step 1: Write the proportion equation
   21,978,816 : 32,309,730 = 32,309,730 : x
2. Step 2: Convert to fraction form
   21,978,816/32,309,730 = 32,309,730/x
3. Step 3: Cross multiply
   21,978,816x = 32,309,730 × 32,309,730
4. Step 4: Simplify right side
   21,978,816x = 1,043,918,652,672,900
5. Step 5: Solve for x
   x = 1,043,918,652,672,900/21,978,816
6. Step 6: Final answer
   x = 47,496,582.74