Finding the Third Proportional to 295,161 and 442,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,161 : 442,805.50 = 442,805.50 : x
2. Step 2: Convert to fraction form
   295,161/442,805.50 = 442,805.50/x
3. Step 3: Cross multiply
   295,161x = 442,805.50 × 442,805.50
4. Step 4: Simplify right side
   295,161x = 196,076,710,830.25
5. Step 5: Solve for x
   x = 196,076,710,830.25/295,161
6. Step 6: Final answer
   x = 664,304.26