Finding the Third Proportional to 155,817 and 334,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,817 : 334,906.50 = 334,906.50 : x
2. Step 2: Convert to fraction form
   155,817/334,906.50 = 334,906.50/x
3. Step 3: Cross multiply
   155,817x = 334,906.50 × 334,906.50
4. Step 4: Simplify right side
   155,817x = 112,162,363,742.25
5. Step 5: Solve for x
   x = 112,162,363,742.25/155,817
6. Step 6: Final answer
   x = 719,833.93