Finding the Third Proportional to 15,162,588 and 21,682,650

Step by Step Solution

1. Step 1: Write the proportion equation
   15,162,588 : 21,682,650 = 21,682,650 : x
2. Step 2: Convert to fraction form
   15,162,588/21,682,650 = 21,682,650/x
3. Step 3: Cross multiply
   15,162,588x = 21,682,650 × 21,682,650
4. Step 4: Simplify right side
   15,162,588x = 470,137,311,022,500
5. Step 5: Solve for x
   x = 470,137,311,022,500/15,162,588
6. Step 6: Final answer
   x = 31,006,402.80