Finding the Third Proportional to 963,216 and 2,109,132

Step by Step Solution

1. Step 1: Write the proportion equation
   963,216 : 2,109,132 = 2,109,132 : x
2. Step 2: Convert to fraction form
   963,216/2,109,132 = 2,109,132/x
3. Step 3: Cross multiply
   963,216x = 2,109,132 × 2,109,132
4. Step 4: Simplify right side
   963,216x = 4,448,437,793,424
5. Step 5: Solve for x
   x = 4,448,437,793,424/963,216
6. Step 6: Final answer
   x = 4,618,318.00