Finding the Third Proportional to 9,781,544 and 21,452,654

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,544 : 21,452,654 = 21,452,654 : x
2. Step 2: Convert to fraction form
   9,781,544/21,452,654 = 21,452,654/x
3. Step 3: Cross multiply
   9,781,544x = 21,452,654 × 21,452,654
4. Step 4: Simplify right side
   9,781,544x = 460,216,363,643,716
5. Step 5: Solve for x
   x = 460,216,363,643,716/9,781,544
6. Step 6: Final answer
   x = 47,049,460.05