Finding the Third Proportional to 909,291 and 1,914,432

Step by Step Solution

1. Step 1: Write the proportion equation
   909,291 : 1,914,432 = 1,914,432 : x
2. Step 2: Convert to fraction form
   909,291/1,914,432 = 1,914,432/x
3. Step 3: Cross multiply
   909,291x = 1,914,432 × 1,914,432
4. Step 4: Simplify right side
   909,291x = 3,665,049,882,624
5. Step 5: Solve for x
   x = 3,665,049,882,624/909,291
6. Step 6: Final answer
   x = 4,030,667.72