Finding the Third Proportional to 58,608 and 90,807

Step by Step Solution

1. Step 1: Write the proportion equation
   58,608 : 90,807 = 90,807 : x
2. Step 2: Convert to fraction form
   58,608/90,807 = 90,807/x
3. Step 3: Cross multiply
   58,608x = 90,807 × 90,807
4. Step 4: Simplify right side
   58,608x = 8,245,911,249
5. Step 5: Solve for x
   x = 8,245,911,249/58,608
6. Step 6: Final answer
   x = 140,696.00