Finding the Third Proportional to 7,664,799 and 12,023,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664,799 : 12,023,824.50 = 12,023,824.50 : x
2. Step 2: Convert to fraction form
   7,664,799/12,023,824.50 = 12,023,824.50/x
3. Step 3: Cross multiply
   7,664,799x = 12,023,824.50 × 12,023,824.50
4. Step 4: Simplify right side
   7,664,799x = 144,572,355,606,800.25
5. Step 5: Solve for x
   x = 144,572,355,606,800.25/7,664,799
6. Step 6: Final answer
   x = 18,861,858.69