Finding the Third Proportional to 21,263,548 and 31,888,410

Step by Step Solution

1. Step 1: Write the proportion equation
   21,263,548 : 31,888,410 = 31,888,410 : x
2. Step 2: Convert to fraction form
   21,263,548/31,888,410 = 31,888,410/x
3. Step 3: Cross multiply
   21,263,548x = 31,888,410 × 31,888,410
4. Step 4: Simplify right side
   21,263,548x = 1,016,870,692,328,100
5. Step 5: Solve for x
   x = 1,016,870,692,328,100/21,263,548
6. Step 6: Final answer
   x = 47,822,249.25