Finding the Third Proportional to 3,090,905 and 4,728,146

Step by Step Solution

1. Step 1: Write the proportion equation
   3,090,905 : 4,728,146 = 4,728,146 : x
2. Step 2: Convert to fraction form
   3,090,905/4,728,146 = 4,728,146/x
3. Step 3: Cross multiply
   3,090,905x = 4,728,146 × 4,728,146
4. Step 4: Simplify right side
   3,090,905x = 22,355,364,597,316
5. Step 5: Solve for x
   x = 22,355,364,597,316/3,090,905
6. Step 6: Final answer
   x = 7,232,627.53