Finding the Third Proportional to 58,785 and 84,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,785 : 84,028.50 = 84,028.50 : x
2. Step 2: Convert to fraction form
   58,785/84,028.50 = 84,028.50/x
3. Step 3: Cross multiply
   58,785x = 84,028.50 × 84,028.50
4. Step 4: Simplify right side
   58,785x = 7,060,788,812.25
5. Step 5: Solve for x
   x = 7,060,788,812.25/58,785
6. Step 6: Final answer
   x = 120,112.08