Finding the Third Proportional to 61,705.50 and 134,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,705.50 : 134,719.50 = 134,719.50 : x
2. Step 2: Convert to fraction form
   61,705.50/134,719.50 = 134,719.50/x
3. Step 3: Cross multiply
   61,705.50x = 134,719.50 × 134,719.50
4. Step 4: Simplify right side
   61,705.50x = 18,149,343,680.25
5. Step 5: Solve for x
   x = 18,149,343,680.25/61,705.50
6. Step 6: Final answer
   x = 294,128.46