Finding the Third Proportional to 1,397,799 and 1,912,773

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,799 : 1,912,773 = 1,912,773 : x
2. Step 2: Convert to fraction form
   1,397,799/1,912,773 = 1,912,773/x
3. Step 3: Cross multiply
   1,397,799x = 1,912,773 × 1,912,773
4. Step 4: Simplify right side
   1,397,799x = 3,658,700,549,529
5. Step 5: Solve for x
   x = 3,658,700,549,529/1,397,799
6. Step 6: Final answer
   x = 2,617,472.58