Finding the Third Proportional to 16,770 and 34,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,770 : 34,918.50 = 34,918.50 : x
2. Step 2: Convert to fraction form
   16,770/34,918.50 = 34,918.50/x
3. Step 3: Cross multiply
   16,770x = 34,918.50 × 34,918.50
4. Step 4: Simplify right side
   16,770x = 1,219,301,642.25
5. Step 5: Solve for x
   x = 1,219,301,642.25/16,770
6. Step 6: Final answer
   x = 72,707.31