Finding the Third Proportional to 614,456 and 1,336,620

Step by Step Solution

1. Step 1: Write the proportion equation
   614,456 : 1,336,620 = 1,336,620 : x
2. Step 2: Convert to fraction form
   614,456/1,336,620 = 1,336,620/x
3. Step 3: Cross multiply
   614,456x = 1,336,620 × 1,336,620
4. Step 4: Simplify right side
   614,456x = 1,786,553,024,400
5. Step 5: Solve for x
   x = 1,786,553,024,400/614,456
6. Step 6: Final answer
   x = 2,907,536.14