Finding the Third Proportional to 63,718 and 89,141

Step by Step Solution

1. Step 1: Write the proportion equation
   63,718 : 89,141 = 89,141 : x
2. Step 2: Convert to fraction form
   63,718/89,141 = 89,141/x
3. Step 3: Cross multiply
   63,718x = 89,141 × 89,141
4. Step 4: Simplify right side
   63,718x = 7,946,117,881
5. Step 5: Solve for x
   x = 7,946,117,881/63,718
6. Step 6: Final answer
   x = 124,707.58