Finding the Third Proportional to 16,385.63 and 35,646.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,385.63 : 35,646.75 = 35,646.75 : x
2. Step 2: Convert to fraction form
   16,385.63/35,646.75 = 35,646.75/x
3. Step 3: Cross multiply
   16,385.63x = 35,646.75 × 35,646.75
4. Step 4: Simplify right side
   16,385.63x = 1,270,690,785.56
5. Step 5: Solve for x
   x = 1,270,690,785.56/16,385.63
6. Step 6: Final answer
   x = 77,549.12