Finding the Third Proportional to 3,840,776 and 8,276,416

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840,776 : 8,276,416 = 8,276,416 : x
2. Step 2: Convert to fraction form
   3,840,776/8,276,416 = 8,276,416/x
3. Step 3: Cross multiply
   3,840,776x = 8,276,416 × 8,276,416
4. Step 4: Simplify right side
   3,840,776x = 68,499,061,805,056
5. Step 5: Solve for x
   x = 68,499,061,805,056/3,840,776
6. Step 6: Final answer
   x = 17,834,693.25