Finding the Third Proportional to 219,654.50 and 479,586

Step by Step Solution

1. Step 1: Write the proportion equation
   219,654.50 : 479,586 = 479,586 : x
2. Step 2: Convert to fraction form
   219,654.50/479,586 = 479,586/x
3. Step 3: Cross multiply
   219,654.50x = 479,586 × 479,586
4. Step 4: Simplify right side
   219,654.50x = 230,002,731,396
5. Step 5: Solve for x
   x = 230,002,731,396/219,654.50
6. Step 6: Final answer
   x = 1,047,111.40