Finding the Third Proportional to 58,574.81 and 84,557.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,574.81 : 84,557.25 = 84,557.25 : x
2. Step 2: Convert to fraction form
   58,574.81/84,557.25 = 84,557.25/x
3. Step 3: Cross multiply
   58,574.81x = 84,557.25 × 84,557.25
4. Step 4: Simplify right side
   58,574.81x = 7,149,928,527.56
5. Step 5: Solve for x
   x = 7,149,928,527.56/58,574.81
6. Step 6: Final answer
   x = 122,064.90