Finding the Third Proportional to 63,445.50 and 137,826

Step by Step Solution

1. Step 1: Write the proportion equation
   63,445.50 : 137,826 = 137,826 : x
2. Step 2: Convert to fraction form
   63,445.50/137,826 = 137,826/x
3. Step 3: Cross multiply
   63,445.50x = 137,826 × 137,826
4. Step 4: Simplify right side
   63,445.50x = 18,996,006,276
5. Step 5: Solve for x
   x = 18,996,006,276/63,445.50
6. Step 6: Final answer
   x = 299,406.68