Finding the Third Proportional to 8,546,936 and 13,216,386

Step by Step Solution

1. Step 1: Write the proportion equation
   8,546,936 : 13,216,386 = 13,216,386 : x
2. Step 2: Convert to fraction form
   8,546,936/13,216,386 = 13,216,386/x
3. Step 3: Cross multiply
   8,546,936x = 13,216,386 × 13,216,386
4. Step 4: Simplify right side
   8,546,936x = 174,672,858,900,996
5. Step 5: Solve for x
   x = 174,672,858,900,996/8,546,936
6. Step 6: Final answer
   x = 20,436,897.96