Finding the Third Proportional to 31,208,876 and 67,735,924

Step by Step Solution

1. Step 1: Write the proportion equation
   31,208,876 : 67,735,924 = 67,735,924 : x
2. Step 2: Convert to fraction form
   31,208,876/67,735,924 = 67,735,924/x
3. Step 3: Cross multiply
   31,208,876x = 67,735,924 × 67,735,924
4. Step 4: Simplify right side
   31,208,876x = 4,588,155,400,133,776
5. Step 5: Solve for x
   x = 4,588,155,400,133,776/31,208,876
6. Step 6: Final answer
   x = 147,014,439.10