Finding the Third Proportional to 1,117,507 and 2,487,945

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,507 : 2,487,945 = 2,487,945 : x
2. Step 2: Convert to fraction form
   1,117,507/2,487,945 = 2,487,945/x
3. Step 3: Cross multiply
   1,117,507x = 2,487,945 × 2,487,945
4. Step 4: Simplify right side
   1,117,507x = 6,189,870,323,025
5. Step 5: Solve for x
   x = 6,189,870,323,025/1,117,507
6. Step 6: Final answer
   x = 5,538,999.15