Finding the Third Proportional to 3,421,602 and 7,261,164

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421,602 : 7,261,164 = 7,261,164 : x
2. Step 2: Convert to fraction form
   3,421,602/7,261,164 = 7,261,164/x
3. Step 3: Cross multiply
   3,421,602x = 7,261,164 × 7,261,164
4. Step 4: Simplify right side
   3,421,602x = 52,724,502,634,896
5. Step 5: Solve for x
   x = 52,724,502,634,896/3,421,602
6. Step 6: Final answer
   x = 15,409,303.20