Finding the Third Proportional to 9,781,546 and 21,452,658

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,546 : 21,452,658 = 21,452,658 : x
2. Step 2: Convert to fraction form
   9,781,546/21,452,658 = 21,452,658/x
3. Step 3: Cross multiply
   9,781,546x = 21,452,658 × 21,452,658
4. Step 4: Simplify right side
   9,781,546x = 460,216,535,264,964
5. Step 5: Solve for x
   x = 460,216,535,264,964/9,781,546
6. Step 6: Final answer
   x = 47,049,467.97