Finding the Third Proportional to 2,166,979.50 and 3,243,393.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,979.50 : 3,243,393.56 = 3,243,393.56 : x
2. Step 2: Convert to fraction form
   2,166,979.50/3,243,393.56 = 3,243,393.56/x
3. Step 3: Cross multiply
   2,166,979.50x = 3,243,393.56 × 3,243,393.56
4. Step 4: Simplify right side
   2,166,979.50x = 10,519,601,801,266.44
5. Step 5: Solve for x
   x = 10,519,601,801,266.44/2,166,979.50
6. Step 6: Final answer
   x = 4,854,499.92