Finding the Third Proportional to 62,243 and 89,476

Step by Step Solution

1. Step 1: Write the proportion equation
   62,243 : 89,476 = 89,476 : x
2. Step 2: Convert to fraction form
   62,243/89,476 = 89,476/x
3. Step 3: Cross multiply
   62,243x = 89,476 × 89,476
4. Step 4: Simplify right side
   62,243x = 8,005,954,576
5. Step 5: Solve for x
   x = 8,005,954,576/62,243
6. Step 6: Final answer
   x = 128,624.18