Finding the Third Proportional to 612,230 and 1,429,658

Step by Step Solution

1. Step 1: Write the proportion equation
   612,230 : 1,429,658 = 1,429,658 : x
2. Step 2: Convert to fraction form
   612,230/1,429,658 = 1,429,658/x
3. Step 3: Cross multiply
   612,230x = 1,429,658 × 1,429,658
4. Step 4: Simplify right side
   612,230x = 2,043,921,996,964
5. Step 5: Solve for x
   x = 2,043,921,996,964/612,230
6. Step 6: Final answer
   x = 3,338,487.16