Finding the Third Proportional to 9,153,720 and 12,417,732

Step by Step Solution

1. Step 1: Write the proportion equation
   9,153,720 : 12,417,732 = 12,417,732 : x
2. Step 2: Convert to fraction form
   9,153,720/12,417,732 = 12,417,732/x
3. Step 3: Cross multiply
   9,153,720x = 12,417,732 × 12,417,732
4. Step 4: Simplify right side
   9,153,720x = 154,200,068,023,824
5. Step 5: Solve for x
   x = 154,200,068,023,824/9,153,720
6. Step 6: Final answer
   x = 16,845,617.74