Finding the Third Proportional to 1,255,567,300.88 and 1,959,642,259.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255,567,300.88 : 1,959,642,259.31 = 1,959,642,259.31 : x
2. Step 2: Convert to fraction form
   1,255,567,300.88/1,959,642,259.31 = 1,959,642,259.31/x
3. Step 3: Cross multiply
   1,255,567,300.88x = 1,959,642,259.31 × 1,959,642,259.31
4. Step 4: Simplify right side
   1,255,567,300.88x = 3,840,197,784,483,399,680
5. Step 5: Solve for x
   x = 3,840,197,784,483,399,680/1,255,567,300.88
6. Step 6: Final answer
   x = 3,058,535,995.49