Finding the Third Proportional to 16,458.74 and 35,415.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,458.74 : 35,415.59 = 35,415.59 : x
2. Step 2: Convert to fraction form
   16,458.74/35,415.59 = 35,415.59/x
3. Step 3: Cross multiply
   16,458.74x = 35,415.59 × 35,415.59
4. Step 4: Simplify right side
   16,458.74x = 1,254,263,934.81
5. Step 5: Solve for x
   x = 1,254,263,934.81/16,458.74
6. Step 6: Final answer
   x = 76,206.55