Finding the Third Proportional to 19,128,582 and 40,986,105

Step by Step Solution

1. Step 1: Write the proportion equation
   19,128,582 : 40,986,105 = 40,986,105 : x
2. Step 2: Convert to fraction form
   19,128,582/40,986,105 = 40,986,105/x
3. Step 3: Cross multiply
   19,128,582x = 40,986,105 × 40,986,105
4. Step 4: Simplify right side
   19,128,582x = 1,679,860,803,071,025
5. Step 5: Solve for x
   x = 1,679,860,803,071,025/19,128,582
6. Step 6: Final answer
   x = 87,819,410.93