Finding the Third Proportional to 63,290 and 89,043

Step by Step Solution

1. Step 1: Write the proportion equation
   63,290 : 89,043 = 89,043 : x
2. Step 2: Convert to fraction form
   63,290/89,043 = 89,043/x
3. Step 3: Cross multiply
   63,290x = 89,043 × 89,043
4. Step 4: Simplify right side
   63,290x = 7,928,655,849
5. Step 5: Solve for x
   x = 7,928,655,849/63,290
6. Step 6: Final answer
   x = 125,275.02