Finding the Third Proportional to 19,488.19 and 31,385.11

Step by Step Solution

1. Step 1: Write the proportion equation
   19,488.19 : 31,385.11 = 31,385.11 : x
2. Step 2: Convert to fraction form
   19,488.19/31,385.11 = 31,385.11/x
3. Step 3: Cross multiply
   19,488.19x = 31,385.11 × 31,385.11
4. Step 4: Simplify right side
   19,488.19x = 985,025,090.48
5. Step 5: Solve for x
   x = 985,025,090.48/19,488.19
6. Step 6: Final answer
   x = 50,544.73