Finding the Third Proportional to 155,641 and 351,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,641 : 351,698.50 = 351,698.50 : x
2. Step 2: Convert to fraction form
   155,641/351,698.50 = 351,698.50/x
3. Step 3: Cross multiply
   155,641x = 351,698.50 × 351,698.50
4. Step 4: Simplify right side
   155,641x = 123,691,834,902.25
5. Step 5: Solve for x
   x = 123,691,834,902.25/155,641
6. Step 6: Final answer
   x = 794,725.26