Finding the Third Proportional to 142,544 and 306,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,544 : 306,146.50 = 306,146.50 : x
2. Step 2: Convert to fraction form
   142,544/306,146.50 = 306,146.50/x
3. Step 3: Cross multiply
   142,544x = 306,146.50 × 306,146.50
4. Step 4: Simplify right side
   142,544x = 93,725,679,462.25
5. Step 5: Solve for x
   x = 93,725,679,462.25/142,544
6. Step 6: Final answer
   x = 657,521.04