Finding the Third Proportional to 1,030,607 and 1,355,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030,607 : 1,355,242 = 1,355,242 : x
2. Step 2: Convert to fraction form
   1,030,607/1,355,242 = 1,355,242/x
3. Step 3: Cross multiply
   1,030,607x = 1,355,242 × 1,355,242
4. Step 4: Simplify right side
   1,030,607x = 1,836,680,878,564
5. Step 5: Solve for x
   x = 1,836,680,878,564/1,030,607
6. Step 6: Final answer
   x = 1,782,135.07