Finding the Third Proportional to 245,697.75 and 370,278

Step by Step Solution

1. Step 1: Write the proportion equation
   245,697.75 : 370,278 = 370,278 : x
2. Step 2: Convert to fraction form
   245,697.75/370,278 = 370,278/x
3. Step 3: Cross multiply
   245,697.75x = 370,278 × 370,278
4. Step 4: Simplify right side
   245,697.75x = 137,105,797,284
5. Step 5: Solve for x
   x = 137,105,797,284/245,697.75
6. Step 6: Final answer
   x = 558,026.26