Finding the Third Proportional to 1,230,740 and 1,869,214

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,740 : 1,869,214 = 1,869,214 : x
2. Step 2: Convert to fraction form
   1,230,740/1,869,214 = 1,869,214/x
3. Step 3: Cross multiply
   1,230,740x = 1,869,214 × 1,869,214
4. Step 4: Simplify right side
   1,230,740x = 3,493,960,977,796
5. Step 5: Solve for x
   x = 3,493,960,977,796/1,230,740
6. Step 6: Final answer
   x = 2,838,910.72