Finding the Third Proportional to 560,151 and 860,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,151 : 860,992.50 = 860,992.50 : x
2. Step 2: Convert to fraction form
   560,151/860,992.50 = 860,992.50/x
3. Step 3: Cross multiply
   560,151x = 860,992.50 × 860,992.50
4. Step 4: Simplify right side
   560,151x = 741,308,085,056.25
5. Step 5: Solve for x
   x = 741,308,085,056.25/560,151
6. Step 6: Final answer
   x = 1,323,407.59