Finding the Third Proportional to 3,686,270 and 5,529,405

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,270 : 5,529,405 = 5,529,405 : x
2. Step 2: Convert to fraction form
   3,686,270/5,529,405 = 5,529,405/x
3. Step 3: Cross multiply
   3,686,270x = 5,529,405 × 5,529,405
4. Step 4: Simplify right side
   3,686,270x = 30,574,319,654,025
5. Step 5: Solve for x
   x = 30,574,319,654,025/3,686,270
6. Step 6: Final answer
   x = 8,294,107.50