Finding the Third Proportional to 12,000,439 and 19,063,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,000,439 : 19,063,540.50 = 19,063,540.50 : x
2. Step 2: Convert to fraction form
   12,000,439/19,063,540.50 = 19,063,540.50/x
3. Step 3: Cross multiply
   12,000,439x = 19,063,540.50 × 19,063,540.50
4. Step 4: Simplify right side
   12,000,439x = 363,418,576,395,140.25
5. Step 5: Solve for x
   x = 363,418,576,395,140.25/12,000,439
6. Step 6: Final answer
   x = 30,283,773.48