Finding the Third Proportional to 6,464,547 and 10,009,485

Step by Step Solution

1. Step 1: Write the proportion equation
   6,464,547 : 10,009,485 = 10,009,485 : x
2. Step 2: Convert to fraction form
   6,464,547/10,009,485 = 10,009,485/x
3. Step 3: Cross multiply
   6,464,547x = 10,009,485 × 10,009,485
4. Step 4: Simplify right side
   6,464,547x = 100,189,789,965,225
5. Step 5: Solve for x
   x = 100,189,789,965,225/6,464,547
6. Step 6: Final answer
   x = 15,498,346.59