Finding the Third Proportional to 58,305 and 89,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,305 : 89,146.50 = 89,146.50 : x
2. Step 2: Convert to fraction form
   58,305/89,146.50 = 89,146.50/x
3. Step 3: Cross multiply
   58,305x = 89,146.50 × 89,146.50
4. Step 4: Simplify right side
   58,305x = 7,947,098,462.25
5. Step 5: Solve for x
   x = 7,947,098,462.25/58,305
6. Step 6: Final answer
   x = 136,302.18