Finding the Third Proportional to 1,755,280,128 and 3,655,843,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755,280,128 : 3,655,843,759.50 = 3,655,843,759.50 : x
2. Step 2: Convert to fraction form
   1,755,280,128/3,655,843,759.50 = 3,655,843,759.50/x
3. Step 3: Cross multiply
   1,755,280,128x = 3,655,843,759.50 × 3,655,843,759.50
4. Step 4: Simplify right side
   1,755,280,128x = 13,365,193,593,875,093,504
5. Step 5: Solve for x
   x = 13,365,193,593,875,093,504/1,755,280,128
6. Step 6: Final answer
   x = 7,614,279,556.11