Finding the Third Proportional to 19,893,570 and 41,899,836

Step by Step Solution

1. Step 1: Write the proportion equation
   19,893,570 : 41,899,836 = 41,899,836 : x
2. Step 2: Convert to fraction form
   19,893,570/41,899,836 = 41,899,836/x
3. Step 3: Cross multiply
   19,893,570x = 41,899,836 × 41,899,836
4. Step 4: Simplify right side
   19,893,570x = 1,755,596,256,826,896
5. Step 5: Solve for x
   x = 1,755,596,256,826,896/19,893,570
6. Step 6: Final answer
   x = 88,249,432.19