Finding the Third Proportional to 42,979.50 and 93,431.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,979.50 : 93,431.25 = 93,431.25 : x
2. Step 2: Convert to fraction form
   42,979.50/93,431.25 = 93,431.25/x
3. Step 3: Cross multiply
   42,979.50x = 93,431.25 × 93,431.25
4. Step 4: Simplify right side
   42,979.50x = 8,729,398,476.56
5. Step 5: Solve for x
   x = 8,729,398,476.56/42,979.50
6. Step 6: Final answer
   x = 203,106.10