Finding the Third Proportional to 5,188,062 and 7,390,490

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188,062 : 7,390,490 = 7,390,490 : x
2. Step 2: Convert to fraction form
   5,188,062/7,390,490 = 7,390,490/x
3. Step 3: Cross multiply
   5,188,062x = 7,390,490 × 7,390,490
4. Step 4: Simplify right side
   5,188,062x = 54,619,342,440,100
5. Step 5: Solve for x
   x = 54,619,342,440,100/5,188,062
6. Step 6: Final answer
   x = 10,527,889.30