Finding the Third Proportional to 134,423.72 and 293,302.69

Step by Step Solution

1. Step 1: Write the proportion equation
   134,423.72 : 293,302.69 = 293,302.69 : x
2. Step 2: Convert to fraction form
   134,423.72/293,302.69 = 293,302.69/x
3. Step 3: Cross multiply
   134,423.72x = 293,302.69 × 293,302.69
4. Step 4: Simplify right side
   134,423.72x = 86,026,466,494.72
5. Step 5: Solve for x
   x = 86,026,466,494.72/134,423.72
6. Step 6: Final answer
   x = 639,964.94