Finding the Third Proportional to 45,462.94 and 99,390.38

Step by Step Solution

1. Step 1: Write the proportion equation
   45,462.94 : 99,390.38 = 99,390.38 : x
2. Step 2: Convert to fraction form
   45,462.94/99,390.38 = 99,390.38/x
3. Step 3: Cross multiply
   45,462.94x = 99,390.38 × 99,390.38
4. Step 4: Simplify right side
   45,462.94x = 9,878,446,642.64
5. Step 5: Solve for x
   x = 9,878,446,642.64/45,462.94
6. Step 6: Final answer
   x = 217,285.71