Finding the Third Proportional to 34,860 and 52,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,860 : 52,369.50 = 52,369.50 : x
2. Step 2: Convert to fraction form
   34,860/52,369.50 = 52,369.50/x
3. Step 3: Cross multiply
   34,860x = 52,369.50 × 52,369.50
4. Step 4: Simplify right side
   34,860x = 2,742,564,530.25
5. Step 5: Solve for x
   x = 2,742,564,530.25/34,860
6. Step 6: Final answer
   x = 78,673.68