Finding the Third Proportional to 7,661,691 and 16,485,783

Step by Step Solution

1. Step 1: Write the proportion equation
   7,661,691 : 16,485,783 = 16,485,783 : x
2. Step 2: Convert to fraction form
   7,661,691/16,485,783 = 16,485,783/x
3. Step 3: Cross multiply
   7,661,691x = 16,485,783 × 16,485,783
4. Step 4: Simplify right side
   7,661,691x = 271,781,041,123,089
5. Step 5: Solve for x
   x = 271,781,041,123,089/7,661,691
6. Step 6: Final answer
   x = 35,472,722.81