Finding the Third Proportional to 146,118 and 314,808

Step by Step Solution

1. Step 1: Write the proportion equation
   146,118 : 314,808 = 314,808 : x
2. Step 2: Convert to fraction form
   146,118/314,808 = 314,808/x
3. Step 3: Cross multiply
   146,118x = 314,808 × 314,808
4. Step 4: Simplify right side
   146,118x = 99,104,076,864
5. Step 5: Solve for x
   x = 99,104,076,864/146,118
6. Step 6: Final answer
   x = 678,246.87