Finding the Third Proportional to 90,454 and 130,308

Step by Step Solution

1. Step 1: Write the proportion equation
   90,454 : 130,308 = 130,308 : x
2. Step 2: Convert to fraction form
   90,454/130,308 = 130,308/x
3. Step 3: Cross multiply
   90,454x = 130,308 × 130,308
4. Step 4: Simplify right side
   90,454x = 16,980,174,864
5. Step 5: Solve for x
   x = 16,980,174,864/90,454
6. Step 6: Final answer
   x = 187,721.66