Finding the Third Proportional to 12,876,320 and 19,316,048

Step by Step Solution

1. Step 1: Write the proportion equation
   12,876,320 : 19,316,048 = 19,316,048 : x
2. Step 2: Convert to fraction form
   12,876,320/19,316,048 = 19,316,048/x
3. Step 3: Cross multiply
   12,876,320x = 19,316,048 × 19,316,048
4. Step 4: Simplify right side
   12,876,320x = 373,109,710,338,304
5. Step 5: Solve for x
   x = 373,109,710,338,304/12,876,320
6. Step 6: Final answer
   x = 28,976,424.19