Finding the Third Proportional to 5,371,656 and 8,329,788

Step by Step Solution

1. Step 1: Write the proportion equation
   5,371,656 : 8,329,788 = 8,329,788 : x
2. Step 2: Convert to fraction form
   5,371,656/8,329,788 = 8,329,788/x
3. Step 3: Cross multiply
   5,371,656x = 8,329,788 × 8,329,788
4. Step 4: Simplify right side
   5,371,656x = 69,385,368,124,944
5. Step 5: Solve for x
   x = 69,385,368,124,944/5,371,656
6. Step 6: Final answer
   x = 12,916,941.84