Finding the Third Proportional to 69,150 and 140,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,150 : 140,838.50 = 140,838.50 : x
2. Step 2: Convert to fraction form
   69,150/140,838.50 = 140,838.50/x
3. Step 3: Cross multiply
   69,150x = 140,838.50 × 140,838.50
4. Step 4: Simplify right side
   69,150x = 19,835,483,082.25
5. Step 5: Solve for x
   x = 19,835,483,082.25/69,150
6. Step 6: Final answer
   x = 286,847.19