Finding the Third Proportional to 63,468 and 137,876.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,468 : 137,876.50 = 137,876.50 : x
2. Step 2: Convert to fraction form
   63,468/137,876.50 = 137,876.50/x
3. Step 3: Cross multiply
   63,468x = 137,876.50 × 137,876.50
4. Step 4: Simplify right side
   63,468x = 19,009,929,252.25
5. Step 5: Solve for x
   x = 19,009,929,252.25/63,468
6. Step 6: Final answer
   x = 299,519.90