Finding the Third Proportional to 58,474 and 90,707

Step by Step Solution

1. Step 1: Write the proportion equation
   58,474 : 90,707 = 90,707 : x
2. Step 2: Convert to fraction form
   58,474/90,707 = 90,707/x
3. Step 3: Cross multiply
   58,474x = 90,707 × 90,707
4. Step 4: Simplify right side
   58,474x = 8,227,759,849
5. Step 5: Solve for x
   x = 8,227,759,849/58,474
6. Step 6: Final answer
   x = 140,708.00