Finding the Third Proportional to 4,509,312 and 9,461,736

Step by Step Solution

1. Step 1: Write the proportion equation
   4,509,312 : 9,461,736 = 9,461,736 : x
2. Step 2: Convert to fraction form
   4,509,312/9,461,736 = 9,461,736/x
3. Step 3: Cross multiply
   4,509,312x = 9,461,736 × 9,461,736
4. Step 4: Simplify right side
   4,509,312x = 89,524,448,133,696
5. Step 5: Solve for x
   x = 89,524,448,133,696/4,509,312
6. Step 6: Final answer
   x = 19,853,238.84