Finding the Third Proportional to 159,990.50 and 342,751

Step by Step Solution

1. Step 1: Write the proportion equation
   159,990.50 : 342,751 = 342,751 : x
2. Step 2: Convert to fraction form
   159,990.50/342,751 = 342,751/x
3. Step 3: Cross multiply
   159,990.50x = 342,751 × 342,751
4. Step 4: Simplify right side
   159,990.50x = 117,478,248,001
5. Step 5: Solve for x
   x = 117,478,248,001/159,990.50
6. Step 6: Final answer
   x = 734,282.65