Finding the Third Proportional to 3,345,964 and 7,177,350

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345,964 : 7,177,350 = 7,177,350 : x
2. Step 2: Convert to fraction form
   3,345,964/7,177,350 = 7,177,350/x
3. Step 3: Cross multiply
   3,345,964x = 7,177,350 × 7,177,350
4. Step 4: Simplify right side
   3,345,964x = 51,514,353,022,500
5. Step 5: Solve for x
   x = 51,514,353,022,500/3,345,964
6. Step 6: Final answer
   x = 15,395,967.51