Finding the Third Proportional to 151,300.50 and 219,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,300.50 : 219,856.50 = 219,856.50 : x
2. Step 2: Convert to fraction form
   151,300.50/219,856.50 = 219,856.50/x
3. Step 3: Cross multiply
   151,300.50x = 219,856.50 × 219,856.50
4. Step 4: Simplify right side
   151,300.50x = 48,336,880,592.25
5. Step 5: Solve for x
   x = 48,336,880,592.25/151,300.50
6. Step 6: Final answer
   x = 319,476.01