Finding the Third Proportional to 485,121 and 1,020,513

Step by Step Solution

1. Step 1: Write the proportion equation
   485,121 : 1,020,513 = 1,020,513 : x
2. Step 2: Convert to fraction form
   485,121/1,020,513 = 1,020,513/x
3. Step 3: Cross multiply
   485,121x = 1,020,513 × 1,020,513
4. Step 4: Simplify right side
   485,121x = 1,041,446,783,169
5. Step 5: Solve for x
   x = 1,041,446,783,169/485,121
6. Step 6: Final answer
   x = 2,146,777.37