Finding the Third Proportional to 2,658,727.50 and 4,124,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,727.50 : 4,124,656.50 = 4,124,656.50 : x
2. Step 2: Convert to fraction form
   2,658,727.50/4,124,656.50 = 4,124,656.50/x
3. Step 3: Cross multiply
   2,658,727.50x = 4,124,656.50 × 4,124,656.50
4. Step 4: Simplify right side
   2,658,727.50x = 17,012,791,242,992.25
5. Step 5: Solve for x
   x = 17,012,791,242,992.25/2,658,727.50
6. Step 6: Final answer
   x = 6,398,847.28