Finding the Third Proportional to 9,934,578 and 14,574,672

Step by Step Solution

1. Step 1: Write the proportion equation
   9,934,578 : 14,574,672 = 14,574,672 : x
2. Step 2: Convert to fraction form
   9,934,578/14,574,672 = 14,574,672/x
3. Step 3: Cross multiply
   9,934,578x = 14,574,672 × 14,574,672
4. Step 4: Simplify right side
   9,934,578x = 212,421,063,907,584
5. Step 5: Solve for x
   x = 212,421,063,907,584/9,934,578
6. Step 6: Final answer
   x = 21,381,991.66