Finding the Third Proportional to 1,072,770 and 1,620,090

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,770 : 1,620,090 = 1,620,090 : x
2. Step 2: Convert to fraction form
   1,072,770/1,620,090 = 1,620,090/x
3. Step 3: Cross multiply
   1,072,770x = 1,620,090 × 1,620,090
4. Step 4: Simplify right side
   1,072,770x = 2,624,691,608,100
5. Step 5: Solve for x
   x = 2,624,691,608,100/1,072,770
6. Step 6: Final answer
   x = 2,446,648.96