Finding the Third Proportional to 229,303.50 and 347,418

Step by Step Solution

1. Step 1: Write the proportion equation
   229,303.50 : 347,418 = 347,418 : x
2. Step 2: Convert to fraction form
   229,303.50/347,418 = 347,418/x
3. Step 3: Cross multiply
   229,303.50x = 347,418 × 347,418
4. Step 4: Simplify right side
   229,303.50x = 120,699,266,724
5. Step 5: Solve for x
   x = 120,699,266,724/229,303.50
6. Step 6: Final answer
   x = 526,373.42