Finding the Third Proportional to 42,403.50 and 92,172.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,403.50 : 92,172.94 = 92,172.94 : x
2. Step 2: Convert to fraction form
   42,403.50/92,172.94 = 92,172.94/x
3. Step 3: Cross multiply
   42,403.50x = 92,172.94 × 92,172.94
4. Step 4: Simplify right side
   42,403.50x = 8,495,850,407.38
5. Step 5: Solve for x
   x = 8,495,850,407.38/42,403.50
6. Step 6: Final answer
   x = 200,357.29