Finding the Third Proportional to 612,156 and 1,329,150

Step by Step Solution

1. Step 1: Write the proportion equation
   612,156 : 1,329,150 = 1,329,150 : x
2. Step 2: Convert to fraction form
   612,156/1,329,150 = 1,329,150/x
3. Step 3: Cross multiply
   612,156x = 1,329,150 × 1,329,150
4. Step 4: Simplify right side
   612,156x = 1,766,639,722,500
5. Step 5: Solve for x
   x = 1,766,639,722,500/612,156
6. Step 6: Final answer
   x = 2,885,930.58