Finding the Third Proportional to 152,621 and 233,469

Step by Step Solution

1. Step 1: Write the proportion equation
   152,621 : 233,469 = 233,469 : x
2. Step 2: Convert to fraction form
   152,621/233,469 = 233,469/x
3. Step 3: Cross multiply
   152,621x = 233,469 × 233,469
4. Step 4: Simplify right side
   152,621x = 54,507,773,961
5. Step 5: Solve for x
   x = 54,507,773,961/152,621
6. Step 6: Final answer
   x = 357,144.65