Finding the Third Proportional to 3,615,780 and 7,785,066

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615,780 : 7,785,066 = 7,785,066 : x
2. Step 2: Convert to fraction form
   3,615,780/7,785,066 = 7,785,066/x
3. Step 3: Cross multiply
   3,615,780x = 7,785,066 × 7,785,066
4. Step 4: Simplify right side
   3,615,780x = 60,607,252,624,356
5. Step 5: Solve for x
   x = 60,607,252,624,356/3,615,780
6. Step 6: Final answer
   x = 16,761,875.07