Finding the Third Proportional to 964,699 and 2,100,830

Step by Step Solution

1. Step 1: Write the proportion equation
   964,699 : 2,100,830 = 2,100,830 : x
2. Step 2: Convert to fraction form
   964,699/2,100,830 = 2,100,830/x
3. Step 3: Cross multiply
   964,699x = 2,100,830 × 2,100,830
4. Step 4: Simplify right side
   964,699x = 4,413,486,688,900
5. Step 5: Solve for x
   x = 4,413,486,688,900/964,699
6. Step 6: Final answer
   x = 4,574,988.35