Finding the Third Proportional to 1,445,868 and 2,164,426

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,868 : 2,164,426 = 2,164,426 : x
2. Step 2: Convert to fraction form
   1,445,868/2,164,426 = 2,164,426/x
3. Step 3: Cross multiply
   1,445,868x = 2,164,426 × 2,164,426
4. Step 4: Simplify right side
   1,445,868x = 4,684,739,909,476
5. Step 5: Solve for x
   x = 4,684,739,909,476/1,445,868
6. Step 6: Final answer
   x = 3,240,088.24