Finding the Third Proportional to 1,989,681 and 4,297,053

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989,681 : 4,297,053 = 4,297,053 : x
2. Step 2: Convert to fraction form
   1,989,681/4,297,053 = 4,297,053/x
3. Step 3: Cross multiply
   1,989,681x = 4,297,053 × 4,297,053
4. Step 4: Simplify right side
   1,989,681x = 18,464,664,484,809
5. Step 5: Solve for x
   x = 18,464,664,484,809/1,989,681
6. Step 6: Final answer
   x = 9,280,213.50