Finding the Third Proportional to 91,813.50 and 140,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   91,813.50 : 140,443.88 = 140,443.88 : x
2. Step 2: Convert to fraction form
   91,813.50/140,443.88 = 140,443.88/x
3. Step 3: Cross multiply
   91,813.50x = 140,443.88 × 140,443.88
4. Step 4: Simplify right side
   91,813.50x = 19,724,482,025.02
5. Step 5: Solve for x
   x = 19,724,482,025.02/91,813.50
6. Step 6: Final answer
   x = 214,832.05