Finding the Third Proportional to 4,212,813 and 9,074,550

Step by Step Solution

1. Step 1: Write the proportion equation
   4,212,813 : 9,074,550 = 9,074,550 : x
2. Step 2: Convert to fraction form
   4,212,813/9,074,550 = 9,074,550/x
3. Step 3: Cross multiply
   4,212,813x = 9,074,550 × 9,074,550
4. Step 4: Simplify right side
   4,212,813x = 82,347,457,702,500
5. Step 5: Solve for x
   x = 82,347,457,702,500/4,212,813
6. Step 6: Final answer
   x = 19,546,905.52