Finding the Third Proportional to 9,865,446 and 21,523,684

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865,446 : 21,523,684 = 21,523,684 : x
2. Step 2: Convert to fraction form
   9,865,446/21,523,684 = 21,523,684/x
3. Step 3: Cross multiply
   9,865,446x = 21,523,684 × 21,523,684
4. Step 4: Simplify right side
   9,865,446x = 463,268,972,931,856
5. Step 5: Solve for x
   x = 463,268,972,931,856/9,865,446
6. Step 6: Final answer
   x = 46,958,746.00