Finding the Third Proportional to 118,958.50 and 161,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,958.50 : 161,482.50 = 161,482.50 : x
2. Step 2: Convert to fraction form
   118,958.50/161,482.50 = 161,482.50/x
3. Step 3: Cross multiply
   118,958.50x = 161,482.50 × 161,482.50
4. Step 4: Simplify right side
   118,958.50x = 26,076,597,806.25
5. Step 5: Solve for x
   x = 26,076,597,806.25/118,958.50
6. Step 6: Final answer
   x = 219,207.52