Finding the Third Proportional to 63,774.38 and 139,030.88

Step by Step Solution

1. Step 1: Write the proportion equation
   63,774.38 : 139,030.88 = 139,030.88 : x
2. Step 2: Convert to fraction form
   63,774.38/139,030.88 = 139,030.88/x
3. Step 3: Cross multiply
   63,774.38x = 139,030.88 × 139,030.88
4. Step 4: Simplify right side
   63,774.38x = 19,329,584,203.27
5. Step 5: Solve for x
   x = 19,329,584,203.27/63,774.38
6. Step 6: Final answer
   x = 303,093.28