Finding the Third Proportional to 69,322.75 and 141,923.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,322.75 : 141,923.50 = 141,923.50 : x
2. Step 2: Convert to fraction form
   69,322.75/141,923.50 = 141,923.50/x
3. Step 3: Cross multiply
   69,322.75x = 141,923.50 × 141,923.50
4. Step 4: Simplify right side
   69,322.75x = 20,142,279,852.25
5. Step 5: Solve for x
   x = 20,142,279,852.25/69,322.75
6. Step 6: Final answer
   x = 290,558.00