Finding the Third Proportional to 91,597.50 and 136,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,597.50 : 136,705.50 = 136,705.50 : x
2. Step 2: Convert to fraction form
   91,597.50/136,705.50 = 136,705.50/x
3. Step 3: Cross multiply
   91,597.50x = 136,705.50 × 136,705.50
4. Step 4: Simplify right side
   91,597.50x = 18,688,393,730.25
5. Step 5: Solve for x
   x = 18,688,393,730.25/91,597.50
6. Step 6: Final answer
   x = 204,027.33