Finding the Third Proportional to 16,269,486 and 21,592,018

Step by Step Solution

1. Step 1: Write the proportion equation
   16,269,486 : 21,592,018 = 21,592,018 : x
2. Step 2: Convert to fraction form
   16,269,486/21,592,018 = 21,592,018/x
3. Step 3: Cross multiply
   16,269,486x = 21,592,018 × 21,592,018
4. Step 4: Simplify right side
   16,269,486x = 466,215,241,312,324
5. Step 5: Solve for x
   x = 466,215,241,312,324/16,269,486
6. Step 6: Final answer
   x = 28,655,806.42