Finding the Third Proportional to 127,564.50 and 278,093

Step by Step Solution

1. Step 1: Write the proportion equation
   127,564.50 : 278,093 = 278,093 : x
2. Step 2: Convert to fraction form
   127,564.50/278,093 = 278,093/x
3. Step 3: Cross multiply
   127,564.50x = 278,093 × 278,093
4. Step 4: Simplify right side
   127,564.50x = 77,335,716,649
5. Step 5: Solve for x
   x = 77,335,716,649/127,564.50
6. Step 6: Final answer
   x = 606,247.95