Finding the Third Proportional to 806,970 and 1,213,938

Step by Step Solution

1. Step 1: Write the proportion equation
   806,970 : 1,213,938 = 1,213,938 : x
2. Step 2: Convert to fraction form
   806,970/1,213,938 = 1,213,938/x
3. Step 3: Cross multiply
   806,970x = 1,213,938 × 1,213,938
4. Step 4: Simplify right side
   806,970x = 1,473,645,467,844
5. Step 5: Solve for x
   x = 1,473,645,467,844/806,970
6. Step 6: Final answer
   x = 1,826,146.53