Finding the Third Proportional to 1,368,967 and 2,128,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,967 : 2,128,122 = 2,128,122 : x
2. Step 2: Convert to fraction form
   1,368,967/2,128,122 = 2,128,122/x
3. Step 3: Cross multiply
   1,368,967x = 2,128,122 × 2,128,122
4. Step 4: Simplify right side
   1,368,967x = 4,528,903,246,884
5. Step 5: Solve for x
   x = 4,528,903,246,884/1,368,967
6. Step 6: Final answer
   x = 3,308,263.27