Finding the Third Proportional to 4,546,438 and 9,949,082

Step by Step Solution

1. Step 1: Write the proportion equation
   4,546,438 : 9,949,082 = 9,949,082 : x
2. Step 2: Convert to fraction form
   4,546,438/9,949,082 = 9,949,082/x
3. Step 3: Cross multiply
   4,546,438x = 9,949,082 × 9,949,082
4. Step 4: Simplify right side
   4,546,438x = 98,984,232,642,724
5. Step 5: Solve for x
   x = 98,984,232,642,724/4,546,438
6. Step 6: Final answer
   x = 21,771,820.63