Finding the Third Proportional to 3,492,130 and 7,718,436

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492,130 : 7,718,436 = 7,718,436 : x
2. Step 2: Convert to fraction form
   3,492,130/7,718,436 = 7,718,436/x
3. Step 3: Cross multiply
   3,492,130x = 7,718,436 × 7,718,436
4. Step 4: Simplify right side
   3,492,130x = 59,574,254,286,096
5. Step 5: Solve for x
   x = 59,574,254,286,096/3,492,130
6. Step 6: Final answer
   x = 17,059,575.18