Finding the Third Proportional to 7,664,796 and 12,023,820

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664,796 : 12,023,820 = 12,023,820 : x
2. Step 2: Convert to fraction form
   7,664,796/12,023,820 = 12,023,820/x
3. Step 3: Cross multiply
   7,664,796x = 12,023,820 × 12,023,820
4. Step 4: Simplify right side
   7,664,796x = 144,572,247,392,400
5. Step 5: Solve for x
   x = 144,572,247,392,400/7,664,796
6. Step 6: Final answer
   x = 18,861,851.95