Finding the Third Proportional to 31,229,696 and 67,671,712

Step by Step Solution

1. Step 1: Write the proportion equation
   31,229,696 : 67,671,712 = 67,671,712 : x
2. Step 2: Convert to fraction form
   31,229,696/67,671,712 = 67,671,712/x
3. Step 3: Cross multiply
   31,229,696x = 67,671,712 × 67,671,712
4. Step 4: Simplify right side
   31,229,696x = 4,579,460,605,010,944
5. Step 5: Solve for x
   x = 4,579,460,605,010,944/31,229,696
6. Step 6: Final answer
   x = 146,638,014.18