Finding the Third Proportional to 5,290,964 and 7,915,852

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290,964 : 7,915,852 = 7,915,852 : x
2. Step 2: Convert to fraction form
   5,290,964/7,915,852 = 7,915,852/x
3. Step 3: Cross multiply
   5,290,964x = 7,915,852 × 7,915,852
4. Step 4: Simplify right side
   5,290,964x = 62,660,712,885,904
5. Step 5: Solve for x
   x = 62,660,712,885,904/5,290,964
6. Step 6: Final answer
   x = 11,842,967.16