Finding the Third Proportional to 3,321,340 and 7,152,069

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321,340 : 7,152,069 = 7,152,069 : x
2. Step 2: Convert to fraction form
   3,321,340/7,152,069 = 7,152,069/x
3. Step 3: Cross multiply
   3,321,340x = 7,152,069 × 7,152,069
4. Step 4: Simplify right side
   3,321,340x = 51,152,090,980,761
5. Step 5: Solve for x
   x = 51,152,090,980,761/3,321,340
6. Step 6: Final answer
   x = 15,401,040.24