Finding the Third Proportional to 31,103,628 and 67,867,212

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103,628 : 67,867,212 = 67,867,212 : x
2. Step 2: Convert to fraction form
   31,103,628/67,867,212 = 67,867,212/x
3. Step 3: Cross multiply
   31,103,628x = 67,867,212 × 67,867,212
4. Step 4: Simplify right side
   31,103,628x = 4,605,958,464,652,944
5. Step 5: Solve for x
   x = 4,605,958,464,652,944/31,103,628
6. Step 6: Final answer
   x = 148,084,283.44