Finding the Third Proportional to 153,622.50 and 334,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,622.50 : 334,171.50 = 334,171.50 : x
2. Step 2: Convert to fraction form
   153,622.50/334,171.50 = 334,171.50/x
3. Step 3: Cross multiply
   153,622.50x = 334,171.50 × 334,171.50
4. Step 4: Simplify right side
   153,622.50x = 111,670,591,412.25
5. Step 5: Solve for x
   x = 111,670,591,412.25/153,622.50
6. Step 6: Final answer
   x = 726,915.60