Finding the Third Proportional to 148,795.31 and 330,697.69

Step by Step Solution

1. Step 1: Write the proportion equation
   148,795.31 : 330,697.69 = 330,697.69 : x
2. Step 2: Convert to fraction form
   148,795.31/330,697.69 = 330,697.69/x
3. Step 3: Cross multiply
   148,795.31x = 330,697.69 × 330,697.69
4. Step 4: Simplify right side
   148,795.31x = 109,360,960,517.85
5. Step 5: Solve for x
   x = 109,360,960,517.85/148,795.31
6. Step 6: Final answer
   x = 734,975.84