Finding the Third Proportional to 210,088 and 302,010

Step by Step Solution

1. Step 1: Write the proportion equation
   210,088 : 302,010 = 302,010 : x
2. Step 2: Convert to fraction form
   210,088/302,010 = 302,010/x
3. Step 3: Cross multiply
   210,088x = 302,010 × 302,010
4. Step 4: Simplify right side
   210,088x = 91,210,040,100
5. Step 5: Solve for x
   x = 91,210,040,100/210,088
6. Step 6: Final answer
   x = 434,151.59