Finding the Third Proportional to 16,269.61 and 35,421.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,269.61 : 35,421.05 = 35,421.05 : x
2. Step 2: Convert to fraction form
   16,269.61/35,421.05 = 35,421.05/x
3. Step 3: Cross multiply
   16,269.61x = 35,421.05 × 35,421.05
4. Step 4: Simplify right side
   16,269.61x = 1,254,650,561.72
5. Step 5: Solve for x
   x = 1,254,650,561.72/16,269.61
6. Step 6: Final answer
   x = 77,116.21