Finding the Third Proportional to 760,920 and 1,139,003

Step by Step Solution

1. Step 1: Write the proportion equation
   760,920 : 1,139,003 = 1,139,003 : x
2. Step 2: Convert to fraction form
   760,920/1,139,003 = 1,139,003/x
3. Step 3: Cross multiply
   760,920x = 1,139,003 × 1,139,003
4. Step 4: Simplify right side
   760,920x = 1,297,327,834,009
5. Step 5: Solve for x
   x = 1,297,327,834,009/760,920
6. Step 6: Final answer
   x = 1,704,946.43