Finding the Third Proportional to 136,546.50 and 279,654

Step by Step Solution

1. Step 1: Write the proportion equation
   136,546.50 : 279,654 = 279,654 : x
2. Step 2: Convert to fraction form
   136,546.50/279,654 = 279,654/x
3. Step 3: Cross multiply
   136,546.50x = 279,654 × 279,654
4. Step 4: Simplify right side
   136,546.50x = 78,206,359,716
5. Step 5: Solve for x
   x = 78,206,359,716/136,546.50
6. Step 6: Final answer
   x = 572,745.25