Finding the Third Proportional to 56,011 and 86,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,011 : 86,725.50 = 86,725.50 : x
2. Step 2: Convert to fraction form
   56,011/86,725.50 = 86,725.50/x
3. Step 3: Cross multiply
   56,011x = 86,725.50 × 86,725.50
4. Step 4: Simplify right side
   56,011x = 7,521,312,350.25
5. Step 5: Solve for x
   x = 7,521,312,350.25/56,011
6. Step 6: Final answer
   x = 134,282.77