Finding the Third Proportional to 607,628 and 1,329,680

Step by Step Solution

1. Step 1: Write the proportion equation
   607,628 : 1,329,680 = 1,329,680 : x
2. Step 2: Convert to fraction form
   607,628/1,329,680 = 1,329,680/x
3. Step 3: Cross multiply
   607,628x = 1,329,680 × 1,329,680
4. Step 4: Simplify right side
   607,628x = 1,768,048,902,400
5. Step 5: Solve for x
   x = 1,768,048,902,400/607,628
6. Step 6: Final answer
   x = 2,909,755.48