Finding the Third Proportional to 210,004,128 and 302,519,150

Step by Step Solution

1. Step 1: Write the proportion equation
   210,004,128 : 302,519,150 = 302,519,150 : x
2. Step 2: Convert to fraction form
   210,004,128/302,519,150 = 302,519,150/x
3. Step 3: Cross multiply
   210,004,128x = 302,519,150 × 302,519,150
4. Step 4: Simplify right side
   210,004,128x = 91,517,836,116,722,496
5. Step 5: Solve for x
   x = 91,517,836,116,722,496/210,004,128
6. Step 6: Final answer
   x = 435,790,653.20