Finding the Third Proportional to 870,987 and 1,875,453

Step by Step Solution

1. Step 1: Write the proportion equation
   870,987 : 1,875,453 = 1,875,453 : x
2. Step 2: Convert to fraction form
   870,987/1,875,453 = 1,875,453/x
3. Step 3: Cross multiply
   870,987x = 1,875,453 × 1,875,453
4. Step 4: Simplify right side
   870,987x = 3,517,323,955,209
5. Step 5: Solve for x
   x = 3,517,323,955,209/870,987
6. Step 6: Final answer
   x = 4,038,319.69