Finding the Third Proportional to 6,404,062 and 9,905,352

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404,062 : 9,905,352 = 9,905,352 : x
2. Step 2: Convert to fraction form
   6,404,062/9,905,352 = 9,905,352/x
3. Step 3: Cross multiply
   6,404,062x = 9,905,352 × 9,905,352
4. Step 4: Simplify right side
   6,404,062x = 98,115,998,243,904
5. Step 5: Solve for x
   x = 98,115,998,243,904/6,404,062
6. Step 6: Final answer
   x = 15,320,900.74