Finding the Third Proportional to 1,020,623 and 1,501,407

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,623 : 1,501,407 = 1,501,407 : x
2. Step 2: Convert to fraction form
   1,020,623/1,501,407 = 1,501,407/x
3. Step 3: Cross multiply
   1,020,623x = 1,501,407 × 1,501,407
4. Step 4: Simplify right side
   1,020,623x = 2,254,222,979,649
5. Step 5: Solve for x
   x = 2,254,222,979,649/1,020,623
6. Step 6: Final answer
   x = 2,208,673.51