Finding the Third Proportional to 89,420.50 and 132,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,420.50 : 132,592.50 = 132,592.50 : x
2. Step 2: Convert to fraction form
   89,420.50/132,592.50 = 132,592.50/x
3. Step 3: Cross multiply
   89,420.50x = 132,592.50 × 132,592.50
4. Step 4: Simplify right side
   89,420.50x = 17,580,771,056.25
5. Step 5: Solve for x
   x = 17,580,771,056.25/89,420.50
6. Step 6: Final answer
   x = 196,607.84