Finding the Third Proportional to 1,421,534 and 3,355,758

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,534 : 3,355,758 = 3,355,758 : x
2. Step 2: Convert to fraction form
   1,421,534/3,355,758 = 3,355,758/x
3. Step 3: Cross multiply
   1,421,534x = 3,355,758 × 3,355,758
4. Step 4: Simplify right side
   1,421,534x = 11,261,111,754,564
5. Step 5: Solve for x
   x = 11,261,111,754,564/1,421,534
6. Step 6: Final answer
   x = 7,921,802.61