Finding the Third Proportional to 342,146 and 752,980

Step by Step Solution

1. Step 1: Write the proportion equation
   342,146 : 752,980 = 752,980 : x
2. Step 2: Convert to fraction form
   342,146/752,980 = 752,980/x
3. Step 3: Cross multiply
   342,146x = 752,980 × 752,980
4. Step 4: Simplify right side
   342,146x = 566,978,880,400
5. Step 5: Solve for x
   x = 566,978,880,400/342,146
6. Step 6: Final answer
   x = 1,657,125.56