Finding the Third Proportional to 19,518 and 43,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,518 : 43,402.50 = 43,402.50 : x
2. Step 2: Convert to fraction form
   19,518/43,402.50 = 43,402.50/x
3. Step 3: Cross multiply
   19,518x = 43,402.50 × 43,402.50
4. Step 4: Simplify right side
   19,518x = 1,883,777,006.25
5. Step 5: Solve for x
   x = 1,883,777,006.25/19,518
6. Step 6: Final answer
   x = 96,514.86