Finding the Third Proportional to 158,866.50 and 234,603

Step by Step Solution

1. Step 1: Write the proportion equation
   158,866.50 : 234,603 = 234,603 : x
2. Step 2: Convert to fraction form
   158,866.50/234,603 = 234,603/x
3. Step 3: Cross multiply
   158,866.50x = 234,603 × 234,603
4. Step 4: Simplify right side
   158,866.50x = 55,038,567,609
5. Step 5: Solve for x
   x = 55,038,567,609/158,866.50
6. Step 6: Final answer
   x = 346,445.40