Finding the Third Proportional to 1,247,060 and 2,688,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,060 : 2,688,712 = 2,688,712 : x
2. Step 2: Convert to fraction form
   1,247,060/2,688,712 = 2,688,712/x
3. Step 3: Cross multiply
   1,247,060x = 2,688,712 × 2,688,712
4. Step 4: Simplify right side
   1,247,060x = 7,229,172,218,944
5. Step 5: Solve for x
   x = 7,229,172,218,944/1,247,060
6. Step 6: Final answer
   x = 5,796,972.25