Finding the Third Proportional to 2,343,768,818 and 5,009,871,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343,768,818 : 5,009,871,178 = 5,009,871,178 : x
2. Step 2: Convert to fraction form
   2,343,768,818/5,009,871,178 = 5,009,871,178/x
3. Step 3: Cross multiply
   2,343,768,818x = 5,009,871,178 × 5,009,871,178
4. Step 4: Simplify right side
   2,343,768,818x = 25,098,809,220,155,109,376
5. Step 5: Solve for x
   x = 25,098,809,220,155,109,376/2,343,768,818
6. Step 6: Final answer
   x = 10,708,739,286.66