Finding the Third Proportional to 215,680.50 and 468,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,680.50 : 468,620.50 = 468,620.50 : x
2. Step 2: Convert to fraction form
   215,680.50/468,620.50 = 468,620.50/x
3. Step 3: Cross multiply
   215,680.50x = 468,620.50 × 468,620.50
4. Step 4: Simplify right side
   215,680.50x = 219,605,173,020.25
5. Step 5: Solve for x
   x = 219,605,173,020.25/215,680.50
6. Step 6: Final answer
   x = 1,018,196.70