Finding the Third Proportional to 2,387,674,586.50 and 5,138,146,229

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,674,586.50 : 5,138,146,229 = 5,138,146,229 : x
2. Step 2: Convert to fraction form
   2,387,674,586.50/5,138,146,229 = 5,138,146,229/x
3. Step 3: Cross multiply
   2,387,674,586.50x = 5,138,146,229 × 5,138,146,229
4. Step 4: Simplify right side
   2,387,674,586.50x = 26,400,546,670,586,920,960
5. Step 5: Solve for x
   x = 26,400,546,670,586,920,960/2,387,674,586.50
6. Step 6: Final answer
   x = 11,057,012,048.40