Finding the Third Proportional to 134,616 and 293,679.75

Step by Step Solution

1. Step 1: Write the proportion equation
   134,616 : 293,679.75 = 293,679.75 : x
2. Step 2: Convert to fraction form
   134,616/293,679.75 = 293,679.75/x
3. Step 3: Cross multiply
   134,616x = 293,679.75 × 293,679.75
4. Step 4: Simplify right side
   134,616x = 86,247,795,560.06
5. Step 5: Solve for x
   x = 86,247,795,560.06/134,616
6. Step 6: Final answer
   x = 640,694.98