Finding the Third Proportional to 63,464.13 and 139,384.55

Step by Step Solution

1. Step 1: Write the proportion equation
   63,464.13 : 139,384.55 = 139,384.55 : x
2. Step 2: Convert to fraction form
   63,464.13/139,384.55 = 139,384.55/x
3. Step 3: Cross multiply
   63,464.13x = 139,384.55 × 139,384.55
4. Step 4: Simplify right side
   63,464.13x = 19,428,051,907.55
5. Step 5: Solve for x
   x = 19,428,051,907.55/63,464.13
6. Step 6: Final answer
   x = 306,126.49