Finding the Third Proportional to 135,081 and 293,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   135,081 : 293,945.50 = 293,945.50 : x
2. Step 2: Convert to fraction form
   135,081/293,945.50 = 293,945.50/x
3. Step 3: Cross multiply
   135,081x = 293,945.50 × 293,945.50
4. Step 4: Simplify right side
   135,081x = 86,403,956,970.25
5. Step 5: Solve for x
   x = 86,403,956,970.25/135,081
6. Step 6: Final answer
   x = 639,645.52