Finding the Third Proportional to 90,356 and 120,751

Step by Step Solution

1. Step 1: Write the proportion equation
   90,356 : 120,751 = 120,751 : x
2. Step 2: Convert to fraction form
   90,356/120,751 = 120,751/x
3. Step 3: Cross multiply
   90,356x = 120,751 × 120,751
4. Step 4: Simplify right side
   90,356x = 14,580,804,001
5. Step 5: Solve for x
   x = 14,580,804,001/90,356
6. Step 6: Final answer
   x = 161,370.62