Finding the Third Proportional to 42,254 and 91,807

Step by Step Solution

1. Step 1: Write the proportion equation
   42,254 : 91,807 = 91,807 : x
2. Step 2: Convert to fraction form
   42,254/91,807 = 91,807/x
3. Step 3: Cross multiply
   42,254x = 91,807 × 91,807
4. Step 4: Simplify right side
   42,254x = 8,428,525,249
5. Step 5: Solve for x
   x = 8,428,525,249/42,254
6. Step 6: Final answer
   x = 199,472.84