Finding the Third Proportional to 21,455,930 and 46,570,468

Step by Step Solution

1. Step 1: Write the proportion equation
   21,455,930 : 46,570,468 = 46,570,468 : x
2. Step 2: Convert to fraction form
   21,455,930/46,570,468 = 46,570,468/x
3. Step 3: Cross multiply
   21,455,930x = 46,570,468 × 46,570,468
4. Step 4: Simplify right side
   21,455,930x = 2,168,808,489,739,024
5. Step 5: Solve for x
   x = 2,168,808,489,739,024/21,455,930
6. Step 6: Final answer
   x = 101,082,008.09