Finding the Third Proportional to 61,771.50 and 134,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,771.50 : 134,870.50 = 134,870.50 : x
2. Step 2: Convert to fraction form
   61,771.50/134,870.50 = 134,870.50/x
3. Step 3: Cross multiply
   61,771.50x = 134,870.50 × 134,870.50
4. Step 4: Simplify right side
   61,771.50x = 18,190,051,770.25
5. Step 5: Solve for x
   x = 18,190,051,770.25/61,771.50
6. Step 6: Final answer
   x = 294,473.21