Finding the Third Proportional to 136,810 and 293,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,810 : 293,991.50 = 293,991.50 : x
2. Step 2: Convert to fraction form
   136,810/293,991.50 = 293,991.50/x
3. Step 3: Cross multiply
   136,810x = 293,991.50 × 293,991.50
4. Step 4: Simplify right side
   136,810x = 86,431,002,072.25
5. Step 5: Solve for x
   x = 86,431,002,072.25/136,810
6. Step 6: Final answer
   x = 631,759.39