Finding the Third Proportional to 245,300 and 369,164

Step by Step Solution

1. Step 1: Write the proportion equation
   245,300 : 369,164 = 369,164 : x
2. Step 2: Convert to fraction form
   245,300/369,164 = 369,164/x
3. Step 3: Cross multiply
   245,300x = 369,164 × 369,164
4. Step 4: Simplify right side
   245,300x = 136,282,058,896
5. Step 5: Solve for x
   x = 136,282,058,896/245,300
6. Step 6: Final answer
   x = 555,573.01