Finding the Third Proportional to 58,906 and 89,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,906 : 89,216.50 = 89,216.50 : x
2. Step 2: Convert to fraction form
   58,906/89,216.50 = 89,216.50/x
3. Step 3: Cross multiply
   58,906x = 89,216.50 × 89,216.50
4. Step 4: Simplify right side
   58,906x = 7,959,583,872.25
5. Step 5: Solve for x
   x = 7,959,583,872.25/58,906
6. Step 6: Final answer
   x = 135,123.48