Finding the Third Proportional to 14,387.78 and 31,235.94

Step by Step Solution

1. Step 1: Write the proportion equation
   14,387.78 : 31,235.94 = 31,235.94 : x
2. Step 2: Convert to fraction form
   14,387.78/31,235.94 = 31,235.94/x
3. Step 3: Cross multiply
   14,387.78x = 31,235.94 × 31,235.94
4. Step 4: Simplify right side
   14,387.78x = 975,684,035.53
5. Step 5: Solve for x
   x = 975,684,035.53/14,387.78
6. Step 6: Final answer
   x = 67,813.37