Finding the Third Proportional to 3,492,136 and 7,718,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492,136 : 7,718,448 = 7,718,448 : x
2. Step 2: Convert to fraction form
   3,492,136/7,718,448 = 7,718,448/x
3. Step 3: Cross multiply
   3,492,136x = 7,718,448 × 7,718,448
4. Step 4: Simplify right side
   3,492,136x = 59,574,439,528,704
5. Step 5: Solve for x
   x = 59,574,439,528,704/3,492,136
6. Step 6: Final answer
   x = 17,059,598.92