Finding the Third Proportional to 9,140,900,391.25 and 12,872,402,037

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140,900,391.25 : 12,872,402,037 = 12,872,402,037 : x
2. Step 2: Convert to fraction form
   9,140,900,391.25/12,872,402,037 = 12,872,402,037/x
3. Step 3: Cross multiply
   9,140,900,391.25x = 12,872,402,037 × 12,872,402,037
4. Step 4: Simplify right side
   9,140,900,391.25x = 165,698,734,202,161,758,208
5. Step 5: Solve for x
   x = 165,698,734,202,161,758,208/9,140,900,391.25
6. Step 6: Final answer
   x = 18,127,178,626.82