Finding the Third Proportional to 774,114 and 1,138,410

Step by Step Solution

1. Step 1: Write the proportion equation
   774,114 : 1,138,410 = 1,138,410 : x
2. Step 2: Convert to fraction form
   774,114/1,138,410 = 1,138,410/x
3. Step 3: Cross multiply
   774,114x = 1,138,410 × 1,138,410
4. Step 4: Simplify right side
   774,114x = 1,295,977,328,100
5. Step 5: Solve for x
   x = 1,295,977,328,100/774,114
6. Step 6: Final answer
   x = 1,674,142.73