Finding the Third Proportional to 870,626 and 1,829,380

Step by Step Solution

1. Step 1: Write the proportion equation
   870,626 : 1,829,380 = 1,829,380 : x
2. Step 2: Convert to fraction form
   870,626/1,829,380 = 1,829,380/x
3. Step 3: Cross multiply
   870,626x = 1,829,380 × 1,829,380
4. Step 4: Simplify right side
   870,626x = 3,346,631,184,400
5. Step 5: Solve for x
   x = 3,346,631,184,400/870,626
6. Step 6: Final answer
   x = 3,843,936.64