Finding the Third Proportional to 2,458,261,320 and 5,406,851,696

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458,261,320 : 5,406,851,696 = 5,406,851,696 : x
2. Step 2: Convert to fraction form
   2,458,261,320/5,406,851,696 = 5,406,851,696/x
3. Step 3: Cross multiply
   2,458,261,320x = 5,406,851,696 × 5,406,851,696
4. Step 4: Simplify right side
   2,458,261,320x = 29,234,045,262,538,076,160
5. Step 5: Solve for x
   x = 29,234,045,262,538,076,160/2,458,261,320
6. Step 6: Final answer
   x = 11,892,163,385.84