Finding the Third Proportional to 1,359,258 and 2,159,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,258 : 2,159,424 = 2,159,424 : x
2. Step 2: Convert to fraction form
   1,359,258/2,159,424 = 2,159,424/x
3. Step 3: Cross multiply
   1,359,258x = 2,159,424 × 2,159,424
4. Step 4: Simplify right side
   1,359,258x = 4,663,112,011,776
5. Step 5: Solve for x
   x = 4,663,112,011,776/1,359,258
6. Step 6: Final answer
   x = 3,430,630.54