Finding the Third Proportional to 870,056 and 1,225,248

Step by Step Solution

1. Step 1: Write the proportion equation
   870,056 : 1,225,248 = 1,225,248 : x
2. Step 2: Convert to fraction form
   870,056/1,225,248 = 1,225,248/x
3. Step 3: Cross multiply
   870,056x = 1,225,248 × 1,225,248
4. Step 4: Simplify right side
   870,056x = 1,501,232,661,504
5. Step 5: Solve for x
   x = 1,501,232,661,504/870,056
6. Step 6: Final answer
   x = 1,725,443.72