Finding the Third Proportional to 1,005,158 and 2,187,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,158 : 2,187,604 = 2,187,604 : x
2. Step 2: Convert to fraction form
   1,005,158/2,187,604 = 2,187,604/x
3. Step 3: Cross multiply
   1,005,158x = 2,187,604 × 2,187,604
4. Step 4: Simplify right side
   1,005,158x = 4,785,611,260,816
5. Step 5: Solve for x
   x = 4,785,611,260,816/1,005,158
6. Step 6: Final answer
   x = 4,761,053.75