Finding the Third Proportional to 7,764,948 and 12,010,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,764,948 : 12,010,831.50 = 12,010,831.50 : x
2. Step 2: Convert to fraction form
   7,764,948/12,010,831.50 = 12,010,831.50/x
3. Step 3: Cross multiply
   7,764,948x = 12,010,831.50 × 12,010,831.50
4. Step 4: Simplify right side
   7,764,948x = 144,260,073,321,392.25
5. Step 5: Solve for x
   x = 144,260,073,321,392.25/7,764,948
6. Step 6: Final answer
   x = 18,578,369.53