Finding the Third Proportional to 3,657,960 and 8,470,737

Step by Step Solution

1. Step 1: Write the proportion equation
   3,657,960 : 8,470,737 = 8,470,737 : x
2. Step 2: Convert to fraction form
   3,657,960/8,470,737 = 8,470,737/x
3. Step 3: Cross multiply
   3,657,960x = 8,470,737 × 8,470,737
4. Step 4: Simplify right side
   3,657,960x = 71,753,385,323,169
5. Step 5: Solve for x
   x = 71,753,385,323,169/3,657,960
6. Step 6: Final answer
   x = 19,615,683.42