Finding the Third Proportional to 6,404,061 and 9,905,351

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404,061 : 9,905,351 = 9,905,351 : x
2. Step 2: Convert to fraction form
   6,404,061/9,905,351 = 9,905,351/x
3. Step 3: Cross multiply
   6,404,061x = 9,905,351 × 9,905,351
4. Step 4: Simplify right side
   6,404,061x = 98,115,978,433,201
5. Step 5: Solve for x
   x = 98,115,978,433,201/6,404,061
6. Step 6: Final answer
   x = 15,320,900.04