Finding the Third Proportional to 164,274 and 353,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,274 : 353,086.50 = 353,086.50 : x
2. Step 2: Convert to fraction form
   164,274/353,086.50 = 353,086.50/x
3. Step 3: Cross multiply
   164,274x = 353,086.50 × 353,086.50
4. Step 4: Simplify right side
   164,274x = 124,670,076,482.25
5. Step 5: Solve for x
   x = 124,670,076,482.25/164,274
6. Step 6: Final answer
   x = 758,915.45