Finding the Third Proportional to 90,906 and 130,132

Step by Step Solution

1. Step 1: Write the proportion equation
   90,906 : 130,132 = 130,132 : x
2. Step 2: Convert to fraction form
   90,906/130,132 = 130,132/x
3. Step 3: Cross multiply
   90,906x = 130,132 × 130,132
4. Step 4: Simplify right side
   90,906x = 16,934,337,424
5. Step 5: Solve for x
   x = 16,934,337,424/90,906
6. Step 6: Final answer
   x = 186,284.05