Finding the Third Proportional to 1,545,518 and 3,319,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545,518 : 3,319,564 = 3,319,564 : x
2. Step 2: Convert to fraction form
   1,545,518/3,319,564 = 3,319,564/x
3. Step 3: Cross multiply
   1,545,518x = 3,319,564 × 3,319,564
4. Step 4: Simplify right side
   1,545,518x = 11,019,505,150,096
5. Step 5: Solve for x
   x = 11,019,505,150,096/1,545,518
6. Step 6: Final answer
   x = 7,129,975.29