Finding the Third Proportional to 4,917,528 and 10,077,840

Step by Step Solution

1. Step 1: Write the proportion equation
   4,917,528 : 10,077,840 = 10,077,840 : x
2. Step 2: Convert to fraction form
   4,917,528/10,077,840 = 10,077,840/x
3. Step 3: Cross multiply
   4,917,528x = 10,077,840 × 10,077,840
4. Step 4: Simplify right side
   4,917,528x = 101,562,859,065,600
5. Step 5: Solve for x
   x = 101,562,859,065,600/4,917,528
6. Step 6: Final answer
   x = 20,653,234.52