Finding the Third Proportional to 302,118 and 423,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,118 : 423,514.50 = 423,514.50 : x
2. Step 2: Convert to fraction form
   302,118/423,514.50 = 423,514.50/x
3. Step 3: Cross multiply
   302,118x = 423,514.50 × 423,514.50
4. Step 4: Simplify right side
   302,118x = 179,364,531,710.25
5. Step 5: Solve for x
   x = 179,364,531,710.25/302,118
6. Step 6: Final answer
   x = 593,690.32