Finding the Third Proportional to 63,774 and 139,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,774 : 139,030.50 = 139,030.50 : x
2. Step 2: Convert to fraction form
   63,774/139,030.50 = 139,030.50/x
3. Step 3: Cross multiply
   63,774x = 139,030.50 × 139,030.50
4. Step 4: Simplify right side
   63,774x = 19,329,479,930.25
5. Step 5: Solve for x
   x = 19,329,479,930.25/63,774
6. Step 6: Final answer
   x = 303,093.42