Finding the Third Proportional to 9,781,548 and 21,452,664

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,548 : 21,452,664 = 21,452,664 : x
2. Step 2: Convert to fraction form
   9,781,548/21,452,664 = 21,452,664/x
3. Step 3: Cross multiply
   9,781,548x = 21,452,664 × 21,452,664
4. Step 4: Simplify right side
   9,781,548x = 460,216,792,696,896
5. Step 5: Solve for x
   x = 460,216,792,696,896/9,781,548
6. Step 6: Final answer
   x = 47,049,484.67