Finding the Third Proportional to 69,156 and 140,847.75

Step by Step Solution

1. Step 1: Write the proportion equation
   69,156 : 140,847.75 = 140,847.75 : x
2. Step 2: Convert to fraction form
   69,156/140,847.75 = 140,847.75/x
3. Step 3: Cross multiply
   69,156x = 140,847.75 × 140,847.75
4. Step 4: Simplify right side
   69,156x = 19,838,088,680.06
5. Step 5: Solve for x
   x = 19,838,088,680.06/69,156
6. Step 6: Final answer
   x = 286,859.98