Finding the Third Proportional to 162,020 and 243,028

Step by Step Solution

1. Step 1: Write the proportion equation
   162,020 : 243,028 = 243,028 : x
2. Step 2: Convert to fraction form
   162,020/243,028 = 243,028/x
3. Step 3: Cross multiply
   162,020x = 243,028 × 243,028
4. Step 4: Simplify right side
   162,020x = 59,062,608,784
5. Step 5: Solve for x
   x = 59,062,608,784/162,020
6. Step 6: Final answer
   x = 364,539.00