Finding the Third Proportional to 56,011.50 and 86,725.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,011.50 : 86,725.69 = 86,725.69 : x
2. Step 2: Convert to fraction form
   56,011.50/86,725.69 = 86,725.69/x
3. Step 3: Cross multiply
   56,011.50x = 86,725.69 × 86,725.69
4. Step 4: Simplify right side
   56,011.50x = 7,521,344,872.35
5. Step 5: Solve for x
   x = 7,521,344,872.35/56,011.50
6. Step 6: Final answer
   x = 134,282.15