Finding the Third Proportional to 63,906 and 134,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,906 : 134,422.50 = 134,422.50 : x
2. Step 2: Convert to fraction form
   63,906/134,422.50 = 134,422.50/x
3. Step 3: Cross multiply
   63,906x = 134,422.50 × 134,422.50
4. Step 4: Simplify right side
   63,906x = 18,069,408,506.25
5. Step 5: Solve for x
   x = 18,069,408,506.25/63,906
6. Step 6: Final answer
   x = 282,749.80