Finding the Third Proportional to 1,016,688 and 1,355,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,688 : 1,355,424 = 1,355,424 : x
2. Step 2: Convert to fraction form
   1,016,688/1,355,424 = 1,355,424/x
3. Step 3: Cross multiply
   1,016,688x = 1,355,424 × 1,355,424
4. Step 4: Simplify right side
   1,016,688x = 1,837,174,219,776
5. Step 5: Solve for x
   x = 1,837,174,219,776/1,016,688
6. Step 6: Final answer
   x = 1,807,018.69