Finding the Third Proportional to 867,908 and 1,829,128

Step by Step Solution

1. Step 1: Write the proportion equation
   867,908 : 1,829,128 = 1,829,128 : x
2. Step 2: Convert to fraction form
   867,908/1,829,128 = 1,829,128/x
3. Step 3: Cross multiply
   867,908x = 1,829,128 × 1,829,128
4. Step 4: Simplify right side
   867,908x = 3,345,709,240,384
5. Step 5: Solve for x
   x = 3,345,709,240,384/867,908
6. Step 6: Final answer
   x = 3,854,912.32