Finding the Third Proportional to 1,224,416 and 2,665,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,416 : 2,665,688 = 2,665,688 : x
2. Step 2: Convert to fraction form
   1,224,416/2,665,688 = 2,665,688/x
3. Step 3: Cross multiply
   1,224,416x = 2,665,688 × 2,665,688
4. Step 4: Simplify right side
   1,224,416x = 7,105,892,513,344
5. Step 5: Solve for x
   x = 7,105,892,513,344/1,224,416
6. Step 6: Final answer
   x = 5,803,495.31