Finding the Third Proportional to 849,312 and 1,856,136

Step by Step Solution

1. Step 1: Write the proportion equation
   849,312 : 1,856,136 = 1,856,136 : x
2. Step 2: Convert to fraction form
   849,312/1,856,136 = 1,856,136/x
3. Step 3: Cross multiply
   849,312x = 1,856,136 × 1,856,136
4. Step 4: Simplify right side
   849,312x = 3,445,240,850,496
5. Step 5: Solve for x
   x = 3,445,240,850,496/849,312
6. Step 6: Final answer
   x = 4,056,507.92