Finding the Third Proportional to 162,891 and 347,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,891 : 347,287.50 = 347,287.50 : x
2. Step 2: Convert to fraction form
   162,891/347,287.50 = 347,287.50/x
3. Step 3: Cross multiply
   162,891x = 347,287.50 × 347,287.50
4. Step 4: Simplify right side
   162,891x = 120,608,607,656.25
5. Step 5: Solve for x
   x = 120,608,607,656.25/162,891
6. Step 6: Final answer
   x = 740,425.24