Finding the Third Proportional to 9,320,564 and 12,592,664

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320,564 : 12,592,664 = 12,592,664 : x
2. Step 2: Convert to fraction form
   9,320,564/12,592,664 = 12,592,664/x
3. Step 3: Cross multiply
   9,320,564x = 12,592,664 × 12,592,664
4. Step 4: Simplify right side
   9,320,564x = 158,575,186,616,896
5. Step 5: Solve for x
   x = 158,575,186,616,896/9,320,564
6. Step 6: Final answer
   x = 17,013,475.43