Finding the Third Proportional to 1,997,420 and 4,314,068

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,420 : 4,314,068 = 4,314,068 : x
2. Step 2: Convert to fraction form
   1,997,420/4,314,068 = 4,314,068/x
3. Step 3: Cross multiply
   1,997,420x = 4,314,068 × 4,314,068
4. Step 4: Simplify right side
   1,997,420x = 18,611,182,708,624
5. Step 5: Solve for x
   x = 18,611,182,708,624/1,997,420
6. Step 6: Final answer
   x = 9,317,611.07