Finding the Third Proportional to 9,781,542 and 21,452,650

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,542 : 21,452,650 = 21,452,650 : x
2. Step 2: Convert to fraction form
   9,781,542/21,452,650 = 21,452,650/x
3. Step 3: Cross multiply
   9,781,542x = 21,452,650 × 21,452,650
4. Step 4: Simplify right side
   9,781,542x = 460,216,192,022,500
5. Step 5: Solve for x
   x = 460,216,192,022,500/9,781,542
6. Step 6: Final answer
   x = 47,049,452.12