Finding the Third Proportional to 4,610,450 and 9,931,108

Step by Step Solution

1. Step 1: Write the proportion equation
   4,610,450 : 9,931,108 = 9,931,108 : x
2. Step 2: Convert to fraction form
   4,610,450/9,931,108 = 9,931,108/x
3. Step 3: Cross multiply
   4,610,450x = 9,931,108 × 9,931,108
4. Step 4: Simplify right side
   4,610,450x = 98,626,906,107,664
5. Step 5: Solve for x
   x = 98,626,906,107,664/4,610,450
6. Step 6: Final answer
   x = 21,392,034.64