Finding the Third Proportional to 3,669,484 and 8,290,297

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,484 : 8,290,297 = 8,290,297 : x
2. Step 2: Convert to fraction form
   3,669,484/8,290,297 = 8,290,297/x
3. Step 3: Cross multiply
   3,669,484x = 8,290,297 × 8,290,297
4. Step 4: Simplify right side
   3,669,484x = 68,729,024,348,209
5. Step 5: Solve for x
   x = 68,729,024,348,209/3,669,484
6. Step 6: Final answer
   x = 18,729,888.00