Finding the Third Proportional to 5,238,430 and 7,825,385

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,430 : 7,825,385 = 7,825,385 : x
2. Step 2: Convert to fraction form
   5,238,430/7,825,385 = 7,825,385/x
3. Step 3: Cross multiply
   5,238,430x = 7,825,385 × 7,825,385
4. Step 4: Simplify right side
   5,238,430x = 61,236,650,398,225
5. Step 5: Solve for x
   x = 61,236,650,398,225/5,238,430
6. Step 6: Final answer
   x = 11,689,886.17