Finding the Third Proportional to 3,883,418 and 8,513,332

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,418 : 8,513,332 = 8,513,332 : x
2. Step 2: Convert to fraction form
   3,883,418/8,513,332 = 8,513,332/x
3. Step 3: Cross multiply
   3,883,418x = 8,513,332 × 8,513,332
4. Step 4: Simplify right side
   3,883,418x = 72,476,821,742,224
5. Step 5: Solve for x
   x = 72,476,821,742,224/3,883,418
6. Step 6: Final answer
   x = 18,663,152.34