Finding the Third Proportional to 1,377,806 and 2,172,333

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,806 : 2,172,333 = 2,172,333 : x
2. Step 2: Convert to fraction form
   1,377,806/2,172,333 = 2,172,333/x
3. Step 3: Cross multiply
   1,377,806x = 2,172,333 × 2,172,333
4. Step 4: Simplify right side
   1,377,806x = 4,719,030,662,889
5. Step 5: Solve for x
   x = 4,719,030,662,889/1,377,806
6. Step 6: Final answer
   x = 3,425,032.74