Finding the Third Proportional to 5,814,909 and 8,554,428

Step by Step Solution

1. Step 1: Write the proportion equation
   5,814,909 : 8,554,428 = 8,554,428 : x
2. Step 2: Convert to fraction form
   5,814,909/8,554,428 = 8,554,428/x
3. Step 3: Cross multiply
   5,814,909x = 8,554,428 × 8,554,428
4. Step 4: Simplify right side
   5,814,909x = 73,178,238,407,184
5. Step 5: Solve for x
   x = 73,178,238,407,184/5,814,909
6. Step 6: Final answer
   x = 12,584,588.75