Finding the Third Proportional to 219,672 and 456,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   219,672 : 456,718.50 = 456,718.50 : x
2. Step 2: Convert to fraction form
   219,672/456,718.50 = 456,718.50/x
3. Step 3: Cross multiply
   219,672x = 456,718.50 × 456,718.50
4. Step 4: Simplify right side
   219,672x = 208,591,788,242.25
5. Step 5: Solve for x
   x = 208,591,788,242.25/219,672
6. Step 6: Final answer
   x = 949,560.20