Finding the Third Proportional to 10,151,381 and 21,139,284

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,381 : 21,139,284 = 21,139,284 : x
2. Step 2: Convert to fraction form
   10,151,381/21,139,284 = 21,139,284/x
3. Step 3: Cross multiply
   10,151,381x = 21,139,284 × 21,139,284
4. Step 4: Simplify right side
   10,151,381x = 446,869,328,032,656
5. Step 5: Solve for x
   x = 446,869,328,032,656/10,151,381
6. Step 6: Final answer
   x = 44,020,545.39