Finding the Third Proportional to 1,215,938 and 1,776,999

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,938 : 1,776,999 = 1,776,999 : x
2. Step 2: Convert to fraction form
   1,215,938/1,776,999 = 1,776,999/x
3. Step 3: Cross multiply
   1,215,938x = 1,776,999 × 1,776,999
4. Step 4: Simplify right side
   1,215,938x = 3,157,725,446,001
5. Step 5: Solve for x
   x = 3,157,725,446,001/1,215,938
6. Step 6: Final answer
   x = 2,596,946.10