Finding the Third Proportional to 3,242,812 and 7,507,306

Step by Step Solution

1. Step 1: Write the proportion equation
   3,242,812 : 7,507,306 = 7,507,306 : x
2. Step 2: Convert to fraction form
   3,242,812/7,507,306 = 7,507,306/x
3. Step 3: Cross multiply
   3,242,812x = 7,507,306 × 7,507,306
4. Step 4: Simplify right side
   3,242,812x = 56,359,643,377,636
5. Step 5: Solve for x
   x = 56,359,643,377,636/3,242,812
6. Step 6: Final answer
   x = 17,379,867.65