Finding the Third Proportional to 91,732.50 and 129,898.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,732.50 : 129,898.69 = 129,898.69 : x
2. Step 2: Convert to fraction form
   91,732.50/129,898.69 = 129,898.69/x
3. Step 3: Cross multiply
   91,732.50x = 129,898.69 × 129,898.69
4. Step 4: Simplify right side
   91,732.50x = 16,873,669,014.22
5. Step 5: Solve for x
   x = 16,873,669,014.22/91,732.50
6. Step 6: Final answer
   x = 183,944.28