Finding the Third Proportional to 3,239,485.31 and 7,089,145.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,239,485.31 : 7,089,145.31 = 7,089,145.31 : x
2. Step 2: Convert to fraction form
   3,239,485.31/7,089,145.31 = 7,089,145.31/x
3. Step 3: Cross multiply
   3,239,485.31x = 7,089,145.31 × 7,089,145.31
4. Step 4: Simplify right side
   3,239,485.31x = 50,255,981,261,740.72
5. Step 5: Solve for x
   x = 50,255,981,261,740.72/3,239,485.31
6. Step 6: Final answer
   x = 15,513,569.72