Finding the Third Proportional to 6,897,780 and 10,442,097

Step by Step Solution

1. Step 1: Write the proportion equation
   6,897,780 : 10,442,097 = 10,442,097 : x
2. Step 2: Convert to fraction form
   6,897,780/10,442,097 = 10,442,097/x
3. Step 3: Cross multiply
   6,897,780x = 10,442,097 × 10,442,097
4. Step 4: Simplify right side
   6,897,780x = 109,037,389,757,409
5. Step 5: Solve for x
   x = 109,037,389,757,409/6,897,780
6. Step 6: Final answer
   x = 15,807,606.18