Finding the Third Proportional to 7,980,264 and 12,382,076

Step by Step Solution

1. Step 1: Write the proportion equation
   7,980,264 : 12,382,076 = 12,382,076 : x
2. Step 2: Convert to fraction form
   7,980,264/12,382,076 = 12,382,076/x
3. Step 3: Cross multiply
   7,980,264x = 12,382,076 × 12,382,076
4. Step 4: Simplify right side
   7,980,264x = 153,315,806,069,776
5. Step 5: Solve for x
   x = 153,315,806,069,776/7,980,264
6. Step 6: Final answer
   x = 19,211,871.45