Finding the Third Proportional to 1,958,160 and 4,151,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958,160 : 4,151,520 = 4,151,520 : x
2. Step 2: Convert to fraction form
   1,958,160/4,151,520 = 4,151,520/x
3. Step 3: Cross multiply
   1,958,160x = 4,151,520 × 4,151,520
4. Step 4: Simplify right side
   1,958,160x = 17,235,118,310,400
5. Step 5: Solve for x
   x = 17,235,118,310,400/1,958,160
6. Step 6: Final answer
   x = 8,801,690.52