Finding the Third Proportional to 31,003,351 and 72,414,814

Step by Step Solution

1. Step 1: Write the proportion equation
   31,003,351 : 72,414,814 = 72,414,814 : x
2. Step 2: Convert to fraction form
   31,003,351/72,414,814 = 72,414,814/x
3. Step 3: Cross multiply
   31,003,351x = 72,414,814 × 72,414,814
4. Step 4: Simplify right side
   31,003,351x = 5,243,905,286,654,596
5. Step 5: Solve for x
   x = 5,243,905,286,654,596/31,003,351
6. Step 6: Final answer
   x = 169,139,951.57