Finding the Third Proportional to 6,928,308 and 9,979,938

Step by Step Solution

1. Step 1: Write the proportion equation
   6,928,308 : 9,979,938 = 9,979,938 : x
2. Step 2: Convert to fraction form
   6,928,308/9,979,938 = 9,979,938/x
3. Step 3: Cross multiply
   6,928,308x = 9,979,938 × 9,979,938
4. Step 4: Simplify right side
   6,928,308x = 99,599,162,483,844
5. Step 5: Solve for x
   x = 99,599,162,483,844/6,928,308
6. Step 6: Final answer
   x = 14,375,683.43