Finding the Third Proportional to 63,693 and 138,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,693 : 138,460.50 = 138,460.50 : x
2. Step 2: Convert to fraction form
   63,693/138,460.50 = 138,460.50/x
3. Step 3: Cross multiply
   63,693x = 138,460.50 × 138,460.50
4. Step 4: Simplify right side
   63,693x = 19,171,310,060.25
5. Step 5: Solve for x
   x = 19,171,310,060.25/63,693
6. Step 6: Final answer
   x = 300,995.56