Finding the Third Proportional to 10,402.19 and 16,899.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402.19 : 16,899.94 = 16,899.94 : x
2. Step 2: Convert to fraction form
   10,402.19/16,899.94 = 16,899.94/x
3. Step 3: Cross multiply
   10,402.19x = 16,899.94 × 16,899.94
4. Step 4: Simplify right side
   10,402.19x = 285,607,887.50
5. Step 5: Solve for x
   x = 285,607,887.50/10,402.19
6. Step 6: Final answer
   x = 27,456.52