Finding the Third Proportional to 42,690.80 and 93,684.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,690.80 : 93,684.73 = 93,684.73 : x
2. Step 2: Convert to fraction form
   42,690.80/93,684.73 = 93,684.73/x
3. Step 3: Cross multiply
   42,690.80x = 93,684.73 × 93,684.73
4. Step 4: Simplify right side
   42,690.80x = 8,776,827,991.09
5. Step 5: Solve for x
   x = 8,776,827,991.09/42,690.80
6. Step 6: Final answer
   x = 205,590.63