Finding the Third Proportional to 3,686,274.56 and 5,529,409.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,274.56 : 5,529,409.31 = 5,529,409.31 : x
2. Step 2: Convert to fraction form
   3,686,274.56/5,529,409.31 = 5,529,409.31/x
3. Step 3: Cross multiply
   3,686,274.56x = 5,529,409.31 × 5,529,409.31
4. Step 4: Simplify right side
   3,686,274.56x = 30,574,367,345,161.72
5. Step 5: Solve for x
   x = 30,574,367,345,161.72/3,686,274.56
6. Step 6: Final answer
   x = 8,294,110.17