Finding the Third Proportional to 4,200,362 and 9,160,944

Step by Step Solution

1. Step 1: Write the proportion equation
   4,200,362 : 9,160,944 = 9,160,944 : x
2. Step 2: Convert to fraction form
   4,200,362/9,160,944 = 9,160,944/x
3. Step 3: Cross multiply
   4,200,362x = 9,160,944 × 9,160,944
4. Step 4: Simplify right side
   4,200,362x = 83,922,894,971,136
5. Step 5: Solve for x
   x = 83,922,894,971,136/4,200,362
6. Step 6: Final answer
   x = 19,979,919.58