Finding the Third Proportional to 4,990,903 and 7,453,090

Step by Step Solution

1. Step 1: Write the proportion equation
   4,990,903 : 7,453,090 = 7,453,090 : x
2. Step 2: Convert to fraction form
   4,990,903/7,453,090 = 7,453,090/x
3. Step 3: Cross multiply
   4,990,903x = 7,453,090 × 7,453,090
4. Step 4: Simplify right side
   4,990,903x = 55,548,550,548,100
5. Step 5: Solve for x
   x = 55,548,550,548,100/4,990,903
6. Step 6: Final answer
   x = 11,129,959.96