Finding the Third Proportional to 153,320 and 335,140

Step by Step Solution

1. Step 1: Write the proportion equation
   153,320 : 335,140 = 335,140 : x
2. Step 2: Convert to fraction form
   153,320/335,140 = 335,140/x
3. Step 3: Cross multiply
   153,320x = 335,140 × 335,140
4. Step 4: Simplify right side
   153,320x = 112,318,819,600
5. Step 5: Solve for x
   x = 112,318,819,600/153,320
6. Step 6: Final answer
   x = 732,577.74