Finding the Third Proportional to 9,781,485 and 21,452,538

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,485 : 21,452,538 = 21,452,538 : x
2. Step 2: Convert to fraction form
   9,781,485/21,452,538 = 21,452,538/x
3. Step 3: Cross multiply
   9,781,485x = 21,452,538 × 21,452,538
4. Step 4: Simplify right side
   9,781,485x = 460,211,386,641,444
5. Step 5: Solve for x
   x = 460,211,386,641,444/9,781,485
6. Step 6: Final answer
   x = 47,049,235.02