Finding the Third Proportional to 16,402.50 and 34,855.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.50 : 34,855.31 = 34,855.31 : x
2. Step 2: Convert to fraction form
   16,402.50/34,855.31 = 34,855.31/x
3. Step 3: Cross multiply
   16,402.50x = 34,855.31 × 34,855.31
4. Step 4: Simplify right side
   16,402.50x = 1,214,892,809.47
5. Step 5: Solve for x
   x = 1,214,892,809.47/16,402.50
6. Step 6: Final answer
   x = 74,067.54