Finding the Third Proportional to 986,411 and 2,122,510

Step by Step Solution

1. Step 1: Write the proportion equation
   986,411 : 2,122,510 = 2,122,510 : x
2. Step 2: Convert to fraction form
   986,411/2,122,510 = 2,122,510/x
3. Step 3: Cross multiply
   986,411x = 2,122,510 × 2,122,510
4. Step 4: Simplify right side
   986,411x = 4,505,048,700,100
5. Step 5: Solve for x
   x = 4,505,048,700,100/986,411
6. Step 6: Final answer
   x = 4,567,111.17