Finding the Third Proportional to 42,238.13 and 91,776.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238.13 : 91,776.38 = 91,776.38 : x
2. Step 2: Convert to fraction form
   42,238.13/91,776.38 = 91,776.38/x
3. Step 3: Cross multiply
   42,238.13x = 91,776.38 × 91,776.38
4. Step 4: Simplify right side
   42,238.13x = 8,422,903,008.14
5. Step 5: Solve for x
   x = 8,422,903,008.14/42,238.13
6. Step 6: Final answer
   x = 199,414.70