Finding the Third Proportional to 2,387,674,592 and 5,138,146,239

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,674,592 : 5,138,146,239 = 5,138,146,239 : x
2. Step 2: Convert to fraction form
   2,387,674,592/5,138,146,239 = 5,138,146,239/x
3. Step 3: Cross multiply
   2,387,674,592x = 5,138,146,239 × 5,138,146,239
4. Step 4: Simplify right side
   2,387,674,592x = 26,400,546,773,349,847,040
5. Step 5: Solve for x
   x = 26,400,546,773,349,847,040/2,387,674,592
6. Step 6: Final answer
   x = 11,057,012,065.97