Finding the Third Proportional to 59,117 and 86,947

Step by Step Solution

1. Step 1: Write the proportion equation
   59,117 : 86,947 = 86,947 : x
2. Step 2: Convert to fraction form
   59,117/86,947 = 86,947/x
3. Step 3: Cross multiply
   59,117x = 86,947 × 86,947
4. Step 4: Simplify right side
   59,117x = 7,559,780,809
5. Step 5: Solve for x
   x = 7,559,780,809/59,117
6. Step 6: Final answer
   x = 127,878.29