Finding the Third Proportional to 1,317,436 and 2,681,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,436 : 2,681,432 = 2,681,432 : x
2. Step 2: Convert to fraction form
   1,317,436/2,681,432 = 2,681,432/x
3. Step 3: Cross multiply
   1,317,436x = 2,681,432 × 2,681,432
4. Step 4: Simplify right side
   1,317,436x = 7,190,077,570,624
5. Step 5: Solve for x
   x = 7,190,077,570,624/1,317,436
6. Step 6: Final answer
   x = 5,457,629.49