Finding the Third Proportional to 7,139,800 and 10,877,028

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,800 : 10,877,028 = 10,877,028 : x
2. Step 2: Convert to fraction form
   7,139,800/10,877,028 = 10,877,028/x
3. Step 3: Cross multiply
   7,139,800x = 10,877,028 × 10,877,028
4. Step 4: Simplify right side
   7,139,800x = 118,309,738,112,784
5. Step 5: Solve for x
   x = 118,309,738,112,784/7,139,800
6. Step 6: Final answer
   x = 16,570,455.49