Finding the Third Proportional to 140,298 and 298,118

Step by Step Solution

1. Step 1: Write the proportion equation
   140,298 : 298,118 = 298,118 : x
2. Step 2: Convert to fraction form
   140,298/298,118 = 298,118/x
3. Step 3: Cross multiply
   140,298x = 298,118 × 298,118
4. Step 4: Simplify right side
   140,298x = 88,874,341,924
5. Step 5: Solve for x
   x = 88,874,341,924/140,298
6. Step 6: Final answer
   x = 633,468.35