Finding the Third Proportional to 69,030.50 and 140,963

Step by Step Solution

1. Step 1: Write the proportion equation
   69,030.50 : 140,963 = 140,963 : x
2. Step 2: Convert to fraction form
   69,030.50/140,963 = 140,963/x
3. Step 3: Cross multiply
   69,030.50x = 140,963 × 140,963
4. Step 4: Simplify right side
   69,030.50x = 19,870,567,369
5. Step 5: Solve for x
   x = 19,870,567,369/69,030.50
6. Step 6: Final answer
   x = 287,852.00