Finding the Third Proportional to 1,368,962 and 2,128,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,962 : 2,128,112 = 2,128,112 : x
2. Step 2: Convert to fraction form
   1,368,962/2,128,112 = 2,128,112/x
3. Step 3: Cross multiply
   1,368,962x = 2,128,112 × 2,128,112
4. Step 4: Simplify right side
   1,368,962x = 4,528,860,684,544
5. Step 5: Solve for x
   x = 4,528,860,684,544/1,368,962
6. Step 6: Final answer
   x = 3,308,244.26