Finding the Third Proportional to 1,291,536 and 1,772,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,536 : 1,772,928 = 1,772,928 : x
2. Step 2: Convert to fraction form
   1,291,536/1,772,928 = 1,772,928/x
3. Step 3: Cross multiply
   1,291,536x = 1,772,928 × 1,772,928
4. Step 4: Simplify right side
   1,291,536x = 3,143,273,693,184
5. Step 5: Solve for x
   x = 3,143,273,693,184/1,291,536
6. Step 6: Final answer
   x = 2,433,748.42