Finding the Third Proportional to 70,821 and 152,550

Step by Step Solution

1. Step 1: Write the proportion equation
   70,821 : 152,550 = 152,550 : x
2. Step 2: Convert to fraction form
   70,821/152,550 = 152,550/x
3. Step 3: Cross multiply
   70,821x = 152,550 × 152,550
4. Step 4: Simplify right side
   70,821x = 23,271,502,500
5. Step 5: Solve for x
   x = 23,271,502,500/70,821
6. Step 6: Final answer
   x = 328,596.07