Finding the Third Proportional to 163,610.50 and 342,043

Step by Step Solution

1. Step 1: Write the proportion equation
   163,610.50 : 342,043 = 342,043 : x
2. Step 2: Convert to fraction form
   163,610.50/342,043 = 342,043/x
3. Step 3: Cross multiply
   163,610.50x = 342,043 × 342,043
4. Step 4: Simplify right side
   163,610.50x = 116,993,413,849
5. Step 5: Solve for x
   x = 116,993,413,849/163,610.50
6. Step 6: Final answer
   x = 715,072.77