Finding the Third Proportional to 1,379,278 and 2,152,761

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,278 : 2,152,761 = 2,152,761 : x
2. Step 2: Convert to fraction form
   1,379,278/2,152,761 = 2,152,761/x
3. Step 3: Cross multiply
   1,379,278x = 2,152,761 × 2,152,761
4. Step 4: Simplify right side
   1,379,278x = 4,634,379,923,121
5. Step 5: Solve for x
   x = 4,634,379,923,121/1,379,278
6. Step 6: Final answer
   x = 3,360,004.24