Finding the Third Proportional to 134,469 and 293,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,469 : 293,389.50 = 293,389.50 : x
2. Step 2: Convert to fraction form
   134,469/293,389.50 = 293,389.50/x
3. Step 3: Cross multiply
   134,469x = 293,389.50 × 293,389.50
4. Step 4: Simplify right side
   134,469x = 86,077,398,710.25
5. Step 5: Solve for x
   x = 86,077,398,710.25/134,469
6. Step 6: Final answer
   x = 640,128.20