Finding the Third Proportional to 42,111.50 and 92,135.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,111.50 : 92,135.75 = 92,135.75 : x
2. Step 2: Convert to fraction form
   42,111.50/92,135.75 = 92,135.75/x
3. Step 3: Cross multiply
   42,111.50x = 92,135.75 × 92,135.75
4. Step 4: Simplify right side
   42,111.50x = 8,488,996,428.06
5. Step 5: Solve for x
   x = 8,488,996,428.06/42,111.50
6. Step 6: Final answer
   x = 201,583.81