Finding the Third Proportional to 62,512 and 89,326

Step by Step Solution

1. Step 1: Write the proportion equation
   62,512 : 89,326 = 89,326 : x
2. Step 2: Convert to fraction form
   62,512/89,326 = 89,326/x
3. Step 3: Cross multiply
   62,512x = 89,326 × 89,326
4. Step 4: Simplify right side
   62,512x = 7,979,134,276
5. Step 5: Solve for x
   x = 7,979,134,276/62,512
6. Step 6: Final answer
   x = 127,641.64