Finding the Third Proportional to 13,705,408 and 30,474,470

Step by Step Solution

1. Step 1: Write the proportion equation
   13,705,408 : 30,474,470 = 30,474,470 : x
2. Step 2: Convert to fraction form
   13,705,408/30,474,470 = 30,474,470/x
3. Step 3: Cross multiply
   13,705,408x = 30,474,470 × 30,474,470
4. Step 4: Simplify right side
   13,705,408x = 928,693,321,780,900
5. Step 5: Solve for x
   x = 928,693,321,780,900/13,705,408
6. Step 6: Final answer
   x = 67,761,085.39