Finding the Third Proportional to 915,968 and 1,984,408

Step by Step Solution

1. Step 1: Write the proportion equation
   915,968 : 1,984,408 = 1,984,408 : x
2. Step 2: Convert to fraction form
   915,968/1,984,408 = 1,984,408/x
3. Step 3: Cross multiply
   915,968x = 1,984,408 × 1,984,408
4. Step 4: Simplify right side
   915,968x = 3,937,875,110,464
5. Step 5: Solve for x
   x = 3,937,875,110,464/915,968
6. Step 6: Final answer
   x = 4,299,140.48