Finding the Third Proportional to 1,390,603.50 and 2,152,944

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,603.50 : 2,152,944 = 2,152,944 : x
2. Step 2: Convert to fraction form
   1,390,603.50/2,152,944 = 2,152,944/x
3. Step 3: Cross multiply
   1,390,603.50x = 2,152,944 × 2,152,944
4. Step 4: Simplify right side
   1,390,603.50x = 4,635,167,867,136
5. Step 5: Solve for x
   x = 4,635,167,867,136/1,390,603.50
6. Step 6: Final answer
   x = 3,333,205.95