Finding the Third Proportional to 860,478,920 and 1,300,962,828

Step by Step Solution

1. Step 1: Write the proportion equation
   860,478,920 : 1,300,962,828 = 1,300,962,828 : x
2. Step 2: Convert to fraction form
   860,478,920/1,300,962,828 = 1,300,962,828/x
3. Step 3: Cross multiply
   860,478,920x = 1,300,962,828 × 1,300,962,828
4. Step 4: Simplify right side
   860,478,920x = 1,692,504,279,837,757,696
5. Step 5: Solve for x
   x = 1,692,504,279,837,757,696/860,478,920
6. Step 6: Final answer
   x = 1,966,932,879.47