Finding the Third Proportional to 42,099.75 and 92,112.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,099.75 : 92,112.75 = 92,112.75 : x
2. Step 2: Convert to fraction form
   42,099.75/92,112.75 = 92,112.75/x
3. Step 3: Cross multiply
   42,099.75x = 92,112.75 × 92,112.75
4. Step 4: Simplify right side
   42,099.75x = 8,484,758,712.56
5. Step 5: Solve for x
   x = 8,484,758,712.56/42,099.75
6. Step 6: Final answer
   x = 201,539.41