Finding the Third Proportional to 12,479,477 and 19,173,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,479,477 : 19,173,367.50 = 19,173,367.50 : x
2. Step 2: Convert to fraction form
   12,479,477/19,173,367.50 = 19,173,367.50/x
3. Step 3: Cross multiply
   12,479,477x = 19,173,367.50 × 19,173,367.50
4. Step 4: Simplify right side
   12,479,477x = 367,618,021,290,056.25
5. Step 5: Solve for x
   x = 367,618,021,290,056.25/12,479,477
6. Step 6: Final answer
   x = 29,457,806.71