Finding the Third Proportional to 9,771,528 and 21,470,352

Step by Step Solution

1. Step 1: Write the proportion equation
   9,771,528 : 21,470,352 = 21,470,352 : x
2. Step 2: Convert to fraction form
   9,771,528/21,470,352 = 21,470,352/x
3. Step 3: Cross multiply
   9,771,528x = 21,470,352 × 21,470,352
4. Step 4: Simplify right side
   9,771,528x = 460,976,015,003,904
5. Step 5: Solve for x
   x = 460,976,015,003,904/9,771,528
6. Step 6: Final answer
   x = 47,175,427.94