Finding the Third Proportional to 21,087,378 and 46,042,020

Step by Step Solution

1. Step 1: Write the proportion equation
   21,087,378 : 46,042,020 = 46,042,020 : x
2. Step 2: Convert to fraction form
   21,087,378/46,042,020 = 46,042,020/x
3. Step 3: Cross multiply
   21,087,378x = 46,042,020 × 46,042,020
4. Step 4: Simplify right side
   21,087,378x = 2,119,867,605,680,400
5. Step 5: Solve for x
   x = 2,119,867,605,680,400/21,087,378
6. Step 6: Final answer
   x = 100,527,794.67