Finding the Third Proportional to 147,974.50 and 320,848

Step by Step Solution

1. Step 1: Write the proportion equation
   147,974.50 : 320,848 = 320,848 : x
2. Step 2: Convert to fraction form
   147,974.50/320,848 = 320,848/x
3. Step 3: Cross multiply
   147,974.50x = 320,848 × 320,848
4. Step 4: Simplify right side
   147,974.50x = 102,943,439,104
5. Step 5: Solve for x
   x = 102,943,439,104/147,974.50
6. Step 6: Final answer
   x = 695,683.64