Finding the Third Proportional to 302,577 and 468,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,577 : 468,490.50 = 468,490.50 : x
2. Step 2: Convert to fraction form
   302,577/468,490.50 = 468,490.50/x
3. Step 3: Cross multiply
   302,577x = 468,490.50 × 468,490.50
4. Step 4: Simplify right side
   302,577x = 219,483,348,590.25
5. Step 5: Solve for x
   x = 219,483,348,590.25/302,577
6. Step 6: Final answer
   x = 725,380.15