Finding the Third Proportional to 3,175,111.50 and 4,769,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,175,111.50 : 4,769,821.50 = 4,769,821.50 : x
2. Step 2: Convert to fraction form
   3,175,111.50/4,769,821.50 = 4,769,821.50/x
3. Step 3: Cross multiply
   3,175,111.50x = 4,769,821.50 × 4,769,821.50
4. Step 4: Simplify right side
   3,175,111.50x = 22,751,197,141,862.25
5. Step 5: Solve for x
   x = 22,751,197,141,862.25/3,175,111.50
6. Step 6: Final answer
   x = 7,165,479.75