Finding the Third Proportional to 160,090 and 345,008

Step by Step Solution

1. Step 1: Write the proportion equation
   160,090 : 345,008 = 345,008 : x
2. Step 2: Convert to fraction form
   160,090/345,008 = 345,008/x
3. Step 3: Cross multiply
   160,090x = 345,008 × 345,008
4. Step 4: Simplify right side
   160,090x = 119,030,520,064
5. Step 5: Solve for x
   x = 119,030,520,064/160,090
6. Step 6: Final answer
   x = 743,522.52