Finding the Third Proportional to 1,691,136 and 3,946,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,136 : 3,946,716 = 3,946,716 : x
2. Step 2: Convert to fraction form
   1,691,136/3,946,716 = 3,946,716/x
3. Step 3: Cross multiply
   1,691,136x = 3,946,716 × 3,946,716
4. Step 4: Simplify right side
   1,691,136x = 15,576,567,184,656
5. Step 5: Solve for x
   x = 15,576,567,184,656/1,691,136
6. Step 6: Final answer
   x = 9,210,712.32