Finding the Third Proportional to 91,776 and 129,244.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,776 : 129,244.50 = 129,244.50 : x
2. Step 2: Convert to fraction form
   91,776/129,244.50 = 129,244.50/x
3. Step 3: Cross multiply
   91,776x = 129,244.50 × 129,244.50
4. Step 4: Simplify right side
   91,776x = 16,704,140,780.25
5. Step 5: Solve for x
   x = 16,704,140,780.25/91,776
6. Step 6: Final answer
   x = 182,009.90