Finding the Third Proportional to 7,139,399.63 and 10,876,496.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,399.63 : 10,876,496.63 = 10,876,496.63 : x
2. Step 2: Convert to fraction form
   7,139,399.63/10,876,496.63 = 10,876,496.63/x
3. Step 3: Cross multiply
   7,139,399.63x = 10,876,496.63 × 10,876,496.63
4. Step 4: Simplify right side
   7,139,399.63x = 118,298,178,833,636.39
5. Step 5: Solve for x
   x = 118,298,178,833,636.39/7,139,399.63
6. Step 6: Final answer
   x = 16,569,765.67