Finding the Third Proportional to 9,781,569 and 21,452,706

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,569 : 21,452,706 = 21,452,706 : x
2. Step 2: Convert to fraction form
   9,781,569/21,452,706 = 21,452,706/x
3. Step 3: Cross multiply
   9,781,569x = 21,452,706 × 21,452,706
4. Step 4: Simplify right side
   9,781,569x = 460,218,594,722,436
5. Step 5: Solve for x
   x = 460,218,594,722,436/9,781,569
6. Step 6: Final answer
   x = 47,049,567.89