Finding the Third Proportional to 643,062 and 946,003

Step by Step Solution

1. Step 1: Write the proportion equation
   643,062 : 946,003 = 946,003 : x
2. Step 2: Convert to fraction form
   643,062/946,003 = 946,003/x
3. Step 3: Cross multiply
   643,062x = 946,003 × 946,003
4. Step 4: Simplify right side
   643,062x = 894,921,676,009
5. Step 5: Solve for x
   x = 894,921,676,009/643,062
6. Step 6: Final answer
   x = 1,391,656.91