Finding the Third Proportional to 58,065.19 and 84,856.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,065.19 : 84,856.78 = 84,856.78 : x
2. Step 2: Convert to fraction form
   58,065.19/84,856.78 = 84,856.78/x
3. Step 3: Cross multiply
   58,065.19x = 84,856.78 × 84,856.78
4. Step 4: Simplify right side
   58,065.19x = 7,200,673,324.11
5. Step 5: Solve for x
   x = 7,200,673,324.11/58,065.19
6. Step 6: Final answer
   x = 124,010.16