Finding the Third Proportional to 870,160 and 1,225,384

Step by Step Solution

1. Step 1: Write the proportion equation
   870,160 : 1,225,384 = 1,225,384 : x
2. Step 2: Convert to fraction form
   870,160/1,225,384 = 1,225,384/x
3. Step 3: Cross multiply
   870,160x = 1,225,384 × 1,225,384
4. Step 4: Simplify right side
   870,160x = 1,501,565,947,456
5. Step 5: Solve for x
   x = 1,501,565,947,456/870,160
6. Step 6: Final answer
   x = 1,725,620.52