Finding the Third Proportional to 911,502 and 1,964,308

Step by Step Solution

1. Step 1: Write the proportion equation
   911,502 : 1,964,308 = 1,964,308 : x
2. Step 2: Convert to fraction form
   911,502/1,964,308 = 1,964,308/x
3. Step 3: Cross multiply
   911,502x = 1,964,308 × 1,964,308
4. Step 4: Simplify right side
   911,502x = 3,858,505,918,864
5. Step 5: Solve for x
   x = 3,858,505,918,864/911,502
6. Step 6: Final answer
   x = 4,233,129.40