Finding the Third Proportional to 162,811 and 347,127.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,811 : 347,127.50 = 347,127.50 : x
2. Step 2: Convert to fraction form
   162,811/347,127.50 = 347,127.50/x
3. Step 3: Cross multiply
   162,811x = 347,127.50 × 347,127.50
4. Step 4: Simplify right side
   162,811x = 120,497,501,256.25
5. Step 5: Solve for x
   x = 120,497,501,256.25/162,811
6. Step 6: Final answer
   x = 740,106.63