Finding the Third Proportional to 1,545,507 and 3,319,542

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545,507 : 3,319,542 = 3,319,542 : x
2. Step 2: Convert to fraction form
   1,545,507/3,319,542 = 3,319,542/x
3. Step 3: Cross multiply
   1,545,507x = 3,319,542 × 3,319,542
4. Step 4: Simplify right side
   1,545,507x = 11,019,359,089,764
5. Step 5: Solve for x
   x = 11,019,359,089,764/1,545,507
6. Step 6: Final answer
   x = 7,129,931.53