Finding the Third Proportional to 691,410 and 1,129,003

Step by Step Solution

1. Step 1: Write the proportion equation
   691,410 : 1,129,003 = 1,129,003 : x
2. Step 2: Convert to fraction form
   691,410/1,129,003 = 1,129,003/x
3. Step 3: Cross multiply
   691,410x = 1,129,003 × 1,129,003
4. Step 4: Simplify right side
   691,410x = 1,274,647,774,009
5. Step 5: Solve for x
   x = 1,274,647,774,009/691,410
6. Step 6: Final answer
   x = 1,843,548.36