Finding the Third Proportional to 58,607 and 90,806

Step by Step Solution

1. Step 1: Write the proportion equation
   58,607 : 90,806 = 90,806 : x
2. Step 2: Convert to fraction form
   58,607/90,806 = 90,806/x
3. Step 3: Cross multiply
   58,607x = 90,806 × 90,806
4. Step 4: Simplify right side
   58,607x = 8,245,729,636
5. Step 5: Solve for x
   x = 8,245,729,636/58,607
6. Step 6: Final answer
   x = 140,695.30