Finding the Third Proportional to 1,869,968 and 4,035,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,968 : 4,035,172 = 4,035,172 : x
2. Step 2: Convert to fraction form
   1,869,968/4,035,172 = 4,035,172/x
3. Step 3: Cross multiply
   1,869,968x = 4,035,172 × 4,035,172
4. Step 4: Simplify right side
   1,869,968x = 16,282,613,069,584
5. Step 5: Solve for x
   x = 16,282,613,069,584/1,869,968
6. Step 6: Final answer
   x = 8,707,428.72