Finding the Third Proportional to 43,426 and 90,308

Step by Step Solution

1. Step 1: Write the proportion equation
   43,426 : 90,308 = 90,308 : x
2. Step 2: Convert to fraction form
   43,426/90,308 = 90,308/x
3. Step 3: Cross multiply
   43,426x = 90,308 × 90,308
4. Step 4: Simplify right side
   43,426x = 8,155,534,864
5. Step 5: Solve for x
   x = 8,155,534,864/43,426
6. Step 6: Final answer
   x = 187,803.04