Finding the Third Proportional to 3,933,020 and 8,580,946

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933,020 : 8,580,946 = 8,580,946 : x
2. Step 2: Convert to fraction form
   3,933,020/8,580,946 = 8,580,946/x
3. Step 3: Cross multiply
   3,933,020x = 8,580,946 × 8,580,946
4. Step 4: Simplify right side
   3,933,020x = 73,632,634,254,916
5. Step 5: Solve for x
   x = 73,632,634,254,916/3,933,020
6. Step 6: Final answer
   x = 18,721,652.64