Finding the Third Proportional to 21,270,320 and 46,390,410

Step by Step Solution

1. Step 1: Write the proportion equation
   21,270,320 : 46,390,410 = 46,390,410 : x
2. Step 2: Convert to fraction form
   21,270,320/46,390,410 = 46,390,410/x
3. Step 3: Cross multiply
   21,270,320x = 46,390,410 × 46,390,410
4. Step 4: Simplify right side
   21,270,320x = 2,152,070,139,968,100
5. Step 5: Solve for x
   x = 2,152,070,139,968,100/21,270,320
6. Step 6: Final answer
   x = 101,177,139.79