Finding the Third Proportional to 4,099,947 and 9,003,343

Step by Step Solution

1. Step 1: Write the proportion equation
   4,099,947 : 9,003,343 = 9,003,343 : x
2. Step 2: Convert to fraction form
   4,099,947/9,003,343 = 9,003,343/x
3. Step 3: Cross multiply
   4,099,947x = 9,003,343 × 9,003,343
4. Step 4: Simplify right side
   4,099,947x = 81,060,185,175,649
5. Step 5: Solve for x
   x = 81,060,185,175,649/4,099,947
6. Step 6: Final answer
   x = 19,771,032.45