Finding the Third Proportional to 2,616,385,941 and 4,021,574,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616,385,941 : 4,021,574,386.50 = 4,021,574,386.50 : x
2. Step 2: Convert to fraction form
   2,616,385,941/4,021,574,386.50 = 4,021,574,386.50/x
3. Step 3: Cross multiply
   2,616,385,941x = 4,021,574,386.50 × 4,021,574,386.50
4. Step 4: Simplify right side
   2,616,385,941x = 16,173,060,546,152,851,456
5. Step 5: Solve for x
   x = 16,173,060,546,152,851,456/2,616,385,941
6. Step 6: Final answer
   x = 6,181,450,638.73