Finding the Third Proportional to 179,768 and 390,094

Step by Step Solution

1. Step 1: Write the proportion equation
   179,768 : 390,094 = 390,094 : x
2. Step 2: Convert to fraction form
   179,768/390,094 = 390,094/x
3. Step 3: Cross multiply
   179,768x = 390,094 × 390,094
4. Step 4: Simplify right side
   179,768x = 152,173,328,836
5. Step 5: Solve for x
   x = 152,173,328,836/179,768
6. Step 6: Final answer
   x = 846,498.42