Finding the Third Proportional to 860,355 and 1,260,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   860,355 : 1,260,103.50 = 1,260,103.50 : x
2. Step 2: Convert to fraction form
   860,355/1,260,103.50 = 1,260,103.50/x
3. Step 3: Cross multiply
   860,355x = 1,260,103.50 × 1,260,103.50
4. Step 4: Simplify right side
   860,355x = 1,587,860,830,712.25
5. Step 5: Solve for x
   x = 1,587,860,830,712.25/860,355
6. Step 6: Final answer
   x = 1,845,587.96