Finding the Third Proportional to 42,975.56 and 65,698.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,975.56 : 65,698.59 = 65,698.59 : x
2. Step 2: Convert to fraction form
   42,975.56/65,698.59 = 65,698.59/x
3. Step 3: Cross multiply
   42,975.56x = 65,698.59 × 65,698.59
4. Step 4: Simplify right side
   42,975.56x = 4,316,305,220.73
5. Step 5: Solve for x
   x = 4,316,305,220.73/42,975.56
6. Step 6: Final answer
   x = 100,436.27