Finding the Third Proportional to 3,994,866 and 8,735,220

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994,866 : 8,735,220 = 8,735,220 : x
2. Step 2: Convert to fraction form
   3,994,866/8,735,220 = 8,735,220/x
3. Step 3: Cross multiply
   3,994,866x = 8,735,220 × 8,735,220
4. Step 4: Simplify right side
   3,994,866x = 76,304,068,448,400
5. Step 5: Solve for x
   x = 76,304,068,448,400/3,994,866
6. Step 6: Final answer
   x = 19,100,532.65