Finding the Third Proportional to 5,048,381 and 7,831,854

Step by Step Solution

1. Step 1: Write the proportion equation
   5,048,381 : 7,831,854 = 7,831,854 : x
2. Step 2: Convert to fraction form
   5,048,381/7,831,854 = 7,831,854/x
3. Step 3: Cross multiply
   5,048,381x = 7,831,854 × 7,831,854
4. Step 4: Simplify right side
   5,048,381x = 61,337,937,077,316
5. Step 5: Solve for x
   x = 61,337,937,077,316/5,048,381
6. Step 6: Final answer
   x = 12,150,021.38