Finding the Third Proportional to 58,776 and 89,540.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,776 : 89,540.25 = 89,540.25 : x
2. Step 2: Convert to fraction form
   58,776/89,540.25 = 89,540.25/x
3. Step 3: Cross multiply
   58,776x = 89,540.25 × 89,540.25
4. Step 4: Simplify right side
   58,776x = 8,017,456,370.06
5. Step 5: Solve for x
   x = 8,017,456,370.06/58,776
6. Step 6: Final answer
   x = 136,406.98