Finding the Third Proportional to 21,053,898 and 31,736,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,053,898 : 31,736,371.50 = 31,736,371.50 : x
2. Step 2: Convert to fraction form
   21,053,898/31,736,371.50 = 31,736,371.50/x
3. Step 3: Cross multiply
   21,053,898x = 31,736,371.50 × 31,736,371.50
4. Step 4: Simplify right side
   21,053,898x = 1,007,197,275,986,012.25
5. Step 5: Solve for x
   x = 1,007,197,275,986,012.25/21,053,898
6. Step 6: Final answer
   x = 47,838,992.85