Finding the Third Proportional to 900,697 and 1,978,541

Step by Step Solution

1. Step 1: Write the proportion equation
   900,697 : 1,978,541 = 1,978,541 : x
2. Step 2: Convert to fraction form
   900,697/1,978,541 = 1,978,541/x
3. Step 3: Cross multiply
   900,697x = 1,978,541 × 1,978,541
4. Step 4: Simplify right side
   900,697x = 3,914,624,488,681
5. Step 5: Solve for x
   x = 3,914,624,488,681/900,697
6. Step 6: Final answer
   x = 4,346,216.86