Finding the Third Proportional to 16,263,367 and 21,681,562

Step by Step Solution

1. Step 1: Write the proportion equation
   16,263,367 : 21,681,562 = 21,681,562 : x
2. Step 2: Convert to fraction form
   16,263,367/21,681,562 = 21,681,562/x
3. Step 3: Cross multiply
   16,263,367x = 21,681,562 × 21,681,562
4. Step 4: Simplify right side
   16,263,367x = 470,090,130,759,844
5. Step 5: Solve for x
   x = 470,090,130,759,844/16,263,367
6. Step 6: Final answer
   x = 28,904,846.75