Finding the Third Proportional to 31,003,348 and 72,414,806

Step by Step Solution

1. Step 1: Write the proportion equation
   31,003,348 : 72,414,806 = 72,414,806 : x
2. Step 2: Convert to fraction form
   31,003,348/72,414,806 = 72,414,806/x
3. Step 3: Cross multiply
   31,003,348x = 72,414,806 × 72,414,806
4. Step 4: Simplify right side
   31,003,348x = 5,243,904,128,017,636
5. Step 5: Solve for x
   x = 5,243,904,128,017,636/31,003,348
6. Step 6: Final answer
   x = 169,139,930.57