Finding the Third Proportional to 155,058 and 245,931

Step by Step Solution

1. Step 1: Write the proportion equation
   155,058 : 245,931 = 245,931 : x
2. Step 2: Convert to fraction form
   155,058/245,931 = 245,931/x
3. Step 3: Cross multiply
   155,058x = 245,931 × 245,931
4. Step 4: Simplify right side
   155,058x = 60,482,056,761
5. Step 5: Solve for x
   x = 60,482,056,761/155,058
6. Step 6: Final answer
   x = 390,060.86