Finding the Third Proportional to 158,410.50 and 243,159

Step by Step Solution

1. Step 1: Write the proportion equation
   158,410.50 : 243,159 = 243,159 : x
2. Step 2: Convert to fraction form
   158,410.50/243,159 = 243,159/x
3. Step 3: Cross multiply
   158,410.50x = 243,159 × 243,159
4. Step 4: Simplify right side
   158,410.50x = 59,126,299,281
5. Step 5: Solve for x
   x = 59,126,299,281/158,410.50
6. Step 6: Final answer
   x = 373,247.35