Finding the Third Proportional to 721,146 and 1,044,510

Step by Step Solution

1. Step 1: Write the proportion equation
   721,146 : 1,044,510 = 1,044,510 : x
2. Step 2: Convert to fraction form
   721,146/1,044,510 = 1,044,510/x
3. Step 3: Cross multiply
   721,146x = 1,044,510 × 1,044,510
4. Step 4: Simplify right side
   721,146x = 1,091,001,140,100
5. Step 5: Solve for x
   x = 1,091,001,140,100/721,146
6. Step 6: Final answer
   x = 1,512,871.37