Finding the Third Proportional to 219,793.50 and 478,953

Step by Step Solution

1. Step 1: Write the proportion equation
   219,793.50 : 478,953 = 478,953 : x
2. Step 2: Convert to fraction form
   219,793.50/478,953 = 478,953/x
3. Step 3: Cross multiply
   219,793.50x = 478,953 × 478,953
4. Step 4: Simplify right side
   219,793.50x = 229,395,976,209
5. Step 5: Solve for x
   x = 229,395,976,209/219,793.50
6. Step 6: Final answer
   x = 1,043,688.63