Finding the Third Proportional to 1,409,724 and 2,117,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,724 : 2,117,712 = 2,117,712 : x
2. Step 2: Convert to fraction form
   1,409,724/2,117,712 = 2,117,712/x
3. Step 3: Cross multiply
   1,409,724x = 2,117,712 × 2,117,712
4. Step 4: Simplify right side
   1,409,724x = 4,484,704,114,944
5. Step 5: Solve for x
   x = 4,484,704,114,944/1,409,724
6. Step 6: Final answer
   x = 3,181,263.93