Finding the Third Proportional to 134,439.75 and 295,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,439.75 : 295,123.50 = 295,123.50 : x
2. Step 2: Convert to fraction form
   134,439.75/295,123.50 = 295,123.50/x
3. Step 3: Cross multiply
   134,439.75x = 295,123.50 × 295,123.50
4. Step 4: Simplify right side
   134,439.75x = 87,097,880,252.25
5. Step 5: Solve for x
   x = 87,097,880,252.25/134,439.75
6. Step 6: Final answer
   x = 647,858.09