Finding the Third Proportional to 870,280 and 1,899,968

Step by Step Solution

1. Step 1: Write the proportion equation
   870,280 : 1,899,968 = 1,899,968 : x
2. Step 2: Convert to fraction form
   870,280/1,899,968 = 1,899,968/x
3. Step 3: Cross multiply
   870,280x = 1,899,968 × 1,899,968
4. Step 4: Simplify right side
   870,280x = 3,609,878,401,024
5. Step 5: Solve for x
   x = 3,609,878,401,024/870,280
6. Step 6: Final answer
   x = 4,147,950.55