Finding the Third Proportional to 16,265,538 and 21,684,967

Step by Step Solution

1. Step 1: Write the proportion equation
   16,265,538 : 21,684,967 = 21,684,967 : x
2. Step 2: Convert to fraction form
   16,265,538/21,684,967 = 21,684,967/x
3. Step 3: Cross multiply
   16,265,538x = 21,684,967 × 21,684,967
4. Step 4: Simplify right side
   16,265,538x = 470,237,793,791,089
5. Step 5: Solve for x
   x = 470,237,793,791,089/16,265,538
6. Step 6: Final answer
   x = 28,910,067.03