Finding the Third Proportional to 10,427,454 and 21,808,296

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427,454 : 21,808,296 = 21,808,296 : x
2. Step 2: Convert to fraction form
   10,427,454/21,808,296 = 21,808,296/x
3. Step 3: Cross multiply
   10,427,454x = 21,808,296 × 21,808,296
4. Step 4: Simplify right side
   10,427,454x = 475,601,774,423,616
5. Step 5: Solve for x
   x = 475,601,774,423,616/10,427,454
6. Step 6: Final answer
   x = 45,610,536.80