Finding the Third Proportional to 1,421,466 and 3,355,602

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,466 : 3,355,602 = 3,355,602 : x
2. Step 2: Convert to fraction form
   1,421,466/3,355,602 = 3,355,602/x
3. Step 3: Cross multiply
   1,421,466x = 3,355,602 × 3,355,602
4. Step 4: Simplify right side
   1,421,466x = 11,260,064,782,404
5. Step 5: Solve for x
   x = 11,260,064,782,404/1,421,466
6. Step 6: Final answer
   x = 7,921,445.03