Finding the Third Proportional to 152,077.50 and 330,912

Step by Step Solution

1. Step 1: Write the proportion equation
   152,077.50 : 330,912 = 330,912 : x
2. Step 2: Convert to fraction form
   152,077.50/330,912 = 330,912/x
3. Step 3: Cross multiply
   152,077.50x = 330,912 × 330,912
4. Step 4: Simplify right side
   152,077.50x = 109,502,751,744
5. Step 5: Solve for x
   x = 109,502,751,744/152,077.50
6. Step 6: Final answer
   x = 720,045.71