Finding the Third Proportional to 8,385,610 and 17,966,978

Step by Step Solution

1. Step 1: Write the proportion equation
   8,385,610 : 17,966,978 = 17,966,978 : x
2. Step 2: Convert to fraction form
   8,385,610/17,966,978 = 17,966,978/x
3. Step 3: Cross multiply
   8,385,610x = 17,966,978 × 17,966,978
4. Step 4: Simplify right side
   8,385,610x = 322,812,298,452,484
5. Step 5: Solve for x
   x = 322,812,298,452,484/8,385,610
6. Step 6: Final answer
   x = 38,495,982.81