Finding the Third Proportional to 155,583 and 334,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,583 : 334,813.50 = 334,813.50 : x
2. Step 2: Convert to fraction form
   155,583/334,813.50 = 334,813.50/x
3. Step 3: Cross multiply
   155,583x = 334,813.50 × 334,813.50
4. Step 4: Simplify right side
   155,583x = 112,100,079,782.25
5. Step 5: Solve for x
   x = 112,100,079,782.25/155,583
6. Step 6: Final answer
   x = 720,516.25