Finding the Third Proportional to 3,621,456 and 7,830,945

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,456 : 7,830,945 = 7,830,945 : x
2. Step 2: Convert to fraction form
   3,621,456/7,830,945 = 7,830,945/x
3. Step 3: Cross multiply
   3,621,456x = 7,830,945 × 7,830,945
4. Step 4: Simplify right side
   3,621,456x = 61,323,699,593,025
5. Step 5: Solve for x
   x = 61,323,699,593,025/3,621,456
6. Step 6: Final answer
   x = 16,933,437.71