Finding the Third Proportional to 1,691,694 and 2,623,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,694 : 2,623,440 = 2,623,440 : x
2. Step 2: Convert to fraction form
   1,691,694/2,623,440 = 2,623,440/x
3. Step 3: Cross multiply
   1,691,694x = 2,623,440 × 2,623,440
4. Step 4: Simplify right side
   1,691,694x = 6,882,437,433,600
5. Step 5: Solve for x
   x = 6,882,437,433,600/1,691,694
6. Step 6: Final answer
   x = 4,068,370.19