Finding the Third Proportional to 42,109.88 and 92,144.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,109.88 : 92,144.25 = 92,144.25 : x
2. Step 2: Convert to fraction form
   42,109.88/92,144.25 = 92,144.25/x
3. Step 3: Cross multiply
   42,109.88x = 92,144.25 × 92,144.25
4. Step 4: Simplify right side
   42,109.88x = 8,490,562,808.06
5. Step 5: Solve for x
   x = 8,490,562,808.06/42,109.88
6. Step 6: Final answer
   x = 201,628.78