Finding the Third Proportional to 617,190 and 1,349,730

Step by Step Solution

1. Step 1: Write the proportion equation
   617,190 : 1,349,730 = 1,349,730 : x
2. Step 2: Convert to fraction form
   617,190/1,349,730 = 1,349,730/x
3. Step 3: Cross multiply
   617,190x = 1,349,730 × 1,349,730
4. Step 4: Simplify right side
   617,190x = 1,821,771,072,900
5. Step 5: Solve for x
   x = 1,821,771,072,900/617,190
6. Step 6: Final answer
   x = 2,951,718.39