Finding the Third Proportional to 25,294,742,688 and 56,245,028,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,294,742,688 : 56,245,028,821.50 = 56,245,028,821.50 : x
2. Step 2: Convert to fraction form
   25,294,742,688/56,245,028,821.50 = 56,245,028,821.50/x
3. Step 3: Cross multiply
   25,294,742,688x = 56,245,028,821.50 × 56,245,028,821.50
4. Step 4: Simplify right side
   25,294,742,688x = 3,163,503,267,131,365,523,456
5. Step 5: Solve for x
   x = 3,163,503,267,131,365,523,456/25,294,742,688
6. Step 6: Final answer
   x = 125,065,643,329.60