Finding the Third Proportional to 1,870,298 and 4,090,492

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,298 : 4,090,492 = 4,090,492 : x
2. Step 2: Convert to fraction form
   1,870,298/4,090,492 = 4,090,492/x
3. Step 3: Cross multiply
   1,870,298x = 4,090,492 × 4,090,492
4. Step 4: Simplify right side
   1,870,298x = 16,732,124,802,064
5. Step 5: Solve for x
   x = 16,732,124,802,064/1,870,298
6. Step 6: Final answer
   x = 8,946,234.67