Finding the Third Proportional to 5,238,586 and 7,877,376

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,586 : 7,877,376 = 7,877,376 : x
2. Step 2: Convert to fraction form
   5,238,586/7,877,376 = 7,877,376/x
3. Step 3: Cross multiply
   5,238,586x = 7,877,376 × 7,877,376
4. Step 4: Simplify right side
   5,238,586x = 62,053,052,645,376
5. Step 5: Solve for x
   x = 62,053,052,645,376/5,238,586
6. Step 6: Final answer
   x = 11,845,382.06