Finding the Third Proportional to 1,333,404 and 2,118,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,404 : 2,118,210 = 2,118,210 : x
2. Step 2: Convert to fraction form
   1,333,404/2,118,210 = 2,118,210/x
3. Step 3: Cross multiply
   1,333,404x = 2,118,210 × 2,118,210
4. Step 4: Simplify right side
   1,333,404x = 4,486,813,604,100
5. Step 5: Solve for x
   x = 4,486,813,604,100/1,333,404
6. Step 6: Final answer
   x = 3,364,931.86