Finding the Third Proportional to 870,124 and 1,225,350

Step by Step Solution

1. Step 1: Write the proportion equation
   870,124 : 1,225,350 = 1,225,350 : x
2. Step 2: Convert to fraction form
   870,124/1,225,350 = 1,225,350/x
3. Step 3: Cross multiply
   870,124x = 1,225,350 × 1,225,350
4. Step 4: Simplify right side
   870,124x = 1,501,482,622,500
5. Step 5: Solve for x
   x = 1,501,482,622,500/870,124
6. Step 6: Final answer
   x = 1,725,596.15