Finding the Third Proportional to 19,911 and 43,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,911 : 43,513.50 = 43,513.50 : x
2. Step 2: Convert to fraction form
   19,911/43,513.50 = 43,513.50/x
3. Step 3: Cross multiply
   19,911x = 43,513.50 × 43,513.50
4. Step 4: Simplify right side
   19,911x = 1,893,424,682.25
5. Step 5: Solve for x
   x = 1,893,424,682.25/19,911
6. Step 6: Final answer
   x = 95,094.40