Finding the Third Proportional to 4,548,366 and 9,953,064

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,366 : 9,953,064 = 9,953,064 : x
2. Step 2: Convert to fraction form
   4,548,366/9,953,064 = 9,953,064/x
3. Step 3: Cross multiply
   4,548,366x = 9,953,064 × 9,953,064
4. Step 4: Simplify right side
   4,548,366x = 99,063,482,988,096
5. Step 5: Solve for x
   x = 99,063,482,988,096/4,548,366
6. Step 6: Final answer
   x = 21,780,015.72