Finding the Third Proportional to 12,540,948 and 19,382,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,540,948 : 19,382,113.50 = 19,382,113.50 : x
2. Step 2: Convert to fraction form
   12,540,948/19,382,113.50 = 19,382,113.50/x
3. Step 3: Cross multiply
   12,540,948x = 19,382,113.50 × 19,382,113.50
4. Step 4: Simplify right side
   12,540,948x = 375,666,323,726,882.25
5. Step 5: Solve for x
   x = 375,666,323,726,882.25/12,540,948
6. Step 6: Final answer
   x = 29,955,177.53