Finding the Third Proportional to 200,402 and 300,051

Step by Step Solution

1. Step 1: Write the proportion equation
   200,402 : 300,051 = 300,051 : x
2. Step 2: Convert to fraction form
   200,402/300,051 = 300,051/x
3. Step 3: Cross multiply
   200,402x = 300,051 × 300,051
4. Step 4: Simplify right side
   200,402x = 90,030,602,601
5. Step 5: Solve for x
   x = 90,030,602,601/200,402
6. Step 6: Final answer
   x = 449,250.02