Finding the Third Proportional to 7,664,820 and 12,023,822

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664,820 : 12,023,822 = 12,023,822 : x
2. Step 2: Convert to fraction form
   7,664,820/12,023,822 = 12,023,822/x
3. Step 3: Cross multiply
   7,664,820x = 12,023,822 × 12,023,822
4. Step 4: Simplify right side
   7,664,820x = 144,572,295,487,684
5. Step 5: Solve for x
   x = 144,572,295,487,684/7,664,820
6. Step 6: Final answer
   x = 18,861,799.17