Finding the Third Proportional to 83,258 and 91,710

Step by Step Solution

1. Step 1: Write the proportion equation
   83,258 : 91,710 = 91,710 : x
2. Step 2: Convert to fraction form
   83,258/91,710 = 91,710/x
3. Step 3: Cross multiply
   83,258x = 91,710 × 91,710
4. Step 4: Simplify right side
   83,258x = 8,410,724,100
5. Step 5: Solve for x
   x = 8,410,724,100/83,258
6. Step 6: Final answer
   x = 101,020.01