Finding the Third Proportional to 9,320,688 and 12,592,812

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320,688 : 12,592,812 = 12,592,812 : x
2. Step 2: Convert to fraction form
   9,320,688/12,592,812 = 12,592,812/x
3. Step 3: Cross multiply
   9,320,688x = 12,592,812 × 12,592,812
4. Step 4: Simplify right side
   9,320,688x = 158,578,914,067,344
5. Step 5: Solve for x
   x = 158,578,914,067,344/9,320,688
6. Step 6: Final answer
   x = 17,013,649.00