Finding the Third Proportional to 58,606.88 and 90,806.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,606.88 : 90,806.25 = 90,806.25 : x
2. Step 2: Convert to fraction form
   58,606.88/90,806.25 = 90,806.25/x
3. Step 3: Cross multiply
   58,606.88x = 90,806.25 × 90,806.25
4. Step 4: Simplify right side
   58,606.88x = 8,245,775,039.06
5. Step 5: Solve for x
   x = 8,245,775,039.06/58,606.88
6. Step 6: Final answer
   x = 140,696.38