Finding the Third Proportional to 3,561,877 and 5,517,262.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561,877 : 5,517,262.50 = 5,517,262.50 : x
2. Step 2: Convert to fraction form
   3,561,877/5,517,262.50 = 5,517,262.50/x
3. Step 3: Cross multiply
   3,561,877x = 5,517,262.50 × 5,517,262.50
4. Step 4: Simplify right side
   3,561,877x = 30,440,185,493,906.25
5. Step 5: Solve for x
   x = 30,440,185,493,906.25/3,561,877
6. Step 6: Final answer
   x = 8,546,107.99