Finding the Third Proportional to 3,733,211 and 7,978,180

Step by Step Solution

1. Step 1: Write the proportion equation
   3,733,211 : 7,978,180 = 7,978,180 : x
2. Step 2: Convert to fraction form
   3,733,211/7,978,180 = 7,978,180/x
3. Step 3: Cross multiply
   3,733,211x = 7,978,180 × 7,978,180
4. Step 4: Simplify right side
   3,733,211x = 63,651,356,112,400
5. Step 5: Solve for x
   x = 63,651,356,112,400/3,733,211
6. Step 6: Final answer
   x = 17,050,029.08