Finding the Third Proportional to 1,311,432 and 1,771,731

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311,432 : 1,771,731 = 1,771,731 : x
2. Step 2: Convert to fraction form
   1,311,432/1,771,731 = 1,771,731/x
3. Step 3: Cross multiply
   1,311,432x = 1,771,731 × 1,771,731
4. Step 4: Simplify right side
   1,311,432x = 3,139,030,736,361
5. Step 5: Solve for x
   x = 3,139,030,736,361/1,311,432
6. Step 6: Final answer
   x = 2,393,590.16