Finding the Third Proportional to 865,136 and 1,849,840

Step by Step Solution

1. Step 1: Write the proportion equation
   865,136 : 1,849,840 = 1,849,840 : x
2. Step 2: Convert to fraction form
   865,136/1,849,840 = 1,849,840/x
3. Step 3: Cross multiply
   865,136x = 1,849,840 × 1,849,840
4. Step 4: Simplify right side
   865,136x = 3,421,908,025,600
5. Step 5: Solve for x
   x = 3,421,908,025,600/865,136
6. Step 6: Final answer
   x = 3,955,341.16