Finding the Third Proportional to 59,816 and 86,940

Step by Step Solution

1. Step 1: Write the proportion equation
   59,816 : 86,940 = 86,940 : x
2. Step 2: Convert to fraction form
   59,816/86,940 = 86,940/x
3. Step 3: Cross multiply
   59,816x = 86,940 × 86,940
4. Step 4: Simplify right side
   59,816x = 7,558,563,600
5. Step 5: Solve for x
   x = 7,558,563,600/59,816
6. Step 6: Final answer
   x = 126,363.57