Finding the Third Proportional to 89,466 and 131,603

Step by Step Solution

1. Step 1: Write the proportion equation
   89,466 : 131,603 = 131,603 : x
2. Step 2: Convert to fraction form
   89,466/131,603 = 131,603/x
3. Step 3: Cross multiply
   89,466x = 131,603 × 131,603
4. Step 4: Simplify right side
   89,466x = 17,319,349,609
5. Step 5: Solve for x
   x = 17,319,349,609/89,466
6. Step 6: Final answer
   x = 193,585.83