Finding the Third Proportional to 670,413,680 and 1,443,287,444

Step by Step Solution

1. Step 1: Write the proportion equation
   670,413,680 : 1,443,287,444 = 1,443,287,444 : x
2. Step 2: Convert to fraction form
   670,413,680/1,443,287,444 = 1,443,287,444/x
3. Step 3: Cross multiply
   670,413,680x = 1,443,287,444 × 1,443,287,444
4. Step 4: Simplify right side
   670,413,680x = 2,083,078,646,008,053,248
5. Step 5: Solve for x
   x = 2,083,078,646,008,053,248/670,413,680
6. Step 6: Final answer
   x = 3,107,154,146.99