Finding the Third Proportional to 9,717,298 and 21,265,123

Step by Step Solution

1. Step 1: Write the proportion equation
   9,717,298 : 21,265,123 = 21,265,123 : x
2. Step 2: Convert to fraction form
   9,717,298/21,265,123 = 21,265,123/x
3. Step 3: Cross multiply
   9,717,298x = 21,265,123 × 21,265,123
4. Step 4: Simplify right side
   9,717,298x = 452,205,456,205,129
5. Step 5: Solve for x
   x = 452,205,456,205,129/9,717,298
6. Step 6: Final answer
   x = 46,536,131.36