Finding the Third Proportional to 3,545,100 and 7,731,828

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,100 : 7,731,828 = 7,731,828 : x
2. Step 2: Convert to fraction form
   3,545,100/7,731,828 = 7,731,828/x
3. Step 3: Cross multiply
   3,545,100x = 7,731,828 × 7,731,828
4. Step 4: Simplify right side
   3,545,100x = 59,781,164,221,584
5. Step 5: Solve for x
   x = 59,781,164,221,584/3,545,100
6. Step 6: Final answer
   x = 16,863,040.32