Finding the Third Proportional to 4,242,994 and 9,446,358

Step by Step Solution

1. Step 1: Write the proportion equation
   4,242,994 : 9,446,358 = 9,446,358 : x
2. Step 2: Convert to fraction form
   4,242,994/9,446,358 = 9,446,358/x
3. Step 3: Cross multiply
   4,242,994x = 9,446,358 × 9,446,358
4. Step 4: Simplify right side
   4,242,994x = 89,233,679,464,164
5. Step 5: Solve for x
   x = 89,233,679,464,164/4,242,994
6. Step 6: Final answer
   x = 21,030,828.58