Finding the Third Proportional to 671,913,175.50 and 1,397,462,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   671,913,175.50 : 1,397,462,521.50 = 1,397,462,521.50 : x
2. Step 2: Convert to fraction form
   671,913,175.50/1,397,462,521.50 = 1,397,462,521.50/x
3. Step 3: Cross multiply
   671,913,175.50x = 1,397,462,521.50 × 1,397,462,521.50
4. Step 4: Simplify right side
   671,913,175.50x = 1,952,901,498,997,137,920
5. Step 5: Solve for x
   x = 1,952,901,498,997,137,920/671,913,175.50
6. Step 6: Final answer
   x = 2,906,478,947.29