Finding the Third Proportional to 7,664,824 and 12,023,828

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664,824 : 12,023,828 = 12,023,828 : x
2. Step 2: Convert to fraction form
   7,664,824/12,023,828 = 12,023,828/x
3. Step 3: Cross multiply
   7,664,824x = 12,023,828 × 12,023,828
4. Step 4: Simplify right side
   7,664,824x = 144,572,439,773,584
5. Step 5: Solve for x
   x = 144,572,439,773,584/7,664,824
6. Step 6: Final answer
   x = 18,861,808.15