Finding the Third Proportional to 3,669,278 and 5,396,064

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,278 : 5,396,064 = 5,396,064 : x
2. Step 2: Convert to fraction form
   3,669,278/5,396,064 = 5,396,064/x
3. Step 3: Cross multiply
   3,669,278x = 5,396,064 × 5,396,064
4. Step 4: Simplify right side
   3,669,278x = 29,117,506,692,096
5. Step 5: Solve for x
   x = 29,117,506,692,096/3,669,278
6. Step 6: Final answer
   x = 7,935,486.68