Finding the Third Proportional to 612,210 and 1,429,610

Step by Step Solution

1. Step 1: Write the proportion equation
   612,210 : 1,429,610 = 1,429,610 : x
2. Step 2: Convert to fraction form
   612,210/1,429,610 = 1,429,610/x
3. Step 3: Cross multiply
   612,210x = 1,429,610 × 1,429,610
4. Step 4: Simplify right side
   612,210x = 2,043,784,752,100
5. Step 5: Solve for x
   x = 2,043,784,752,100/612,210
6. Step 6: Final answer
   x = 3,338,372.05