Finding the Third Proportional to 58,660.50 and 84,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,660.50 : 84,061.50 = 84,061.50 : x
2. Step 2: Convert to fraction form
   58,660.50/84,061.50 = 84,061.50/x
3. Step 3: Cross multiply
   58,660.50x = 84,061.50 × 84,061.50
4. Step 4: Simplify right side
   58,660.50x = 7,066,335,782.25
5. Step 5: Solve for x
   x = 7,066,335,782.25/58,660.50
6. Step 6: Final answer
   x = 120,461.57