Finding the Third Proportional to 31,103,630 and 67,867,216

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103,630 : 67,867,216 = 67,867,216 : x
2. Step 2: Convert to fraction form
   31,103,630/67,867,216 = 67,867,216/x
3. Step 3: Cross multiply
   31,103,630x = 67,867,216 × 67,867,216
4. Step 4: Simplify right side
   31,103,630x = 4,605,959,007,590,656
5. Step 5: Solve for x
   x = 4,605,959,007,590,656/31,103,630
6. Step 6: Final answer
   x = 148,084,291.37