Finding the Third Proportional to 42,619.50 and 92,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,619.50 : 92,731.50 = 92,731.50 : x
2. Step 2: Convert to fraction form
   42,619.50/92,731.50 = 92,731.50/x
3. Step 3: Cross multiply
   42,619.50x = 92,731.50 × 92,731.50
4. Step 4: Simplify right side
   42,619.50x = 8,599,131,092.25
5. Step 5: Solve for x
   x = 8,599,131,092.25/42,619.50
6. Step 6: Final answer
   x = 201,765.18