Finding the Third Proportional to 3,090,903 and 4,728,142

Step by Step Solution

1. Step 1: Write the proportion equation
   3,090,903 : 4,728,142 = 4,728,142 : x
2. Step 2: Convert to fraction form
   3,090,903/4,728,142 = 4,728,142/x
3. Step 3: Cross multiply
   3,090,903x = 4,728,142 × 4,728,142
4. Step 4: Simplify right side
   3,090,903x = 22,355,326,772,164
5. Step 5: Solve for x
   x = 22,355,326,772,164/3,090,903
6. Step 6: Final answer
   x = 7,232,619.97