Finding the Third Proportional to 4,574,398 and 9,945,594

Step by Step Solution

1. Step 1: Write the proportion equation
   4,574,398 : 9,945,594 = 9,945,594 : x
2. Step 2: Convert to fraction form
   4,574,398/9,945,594 = 9,945,594/x
3. Step 3: Cross multiply
   4,574,398x = 9,945,594 × 9,945,594
4. Step 4: Simplify right side
   4,574,398x = 98,914,840,012,836
5. Step 5: Solve for x
   x = 98,914,840,012,836/4,574,398
6. Step 6: Final answer
   x = 21,623,575.39