Finding the Third Proportional to 2,387,674,587.50 and 5,138,146,231

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,674,587.50 : 5,138,146,231 = 5,138,146,231 : x
2. Step 2: Convert to fraction form
   2,387,674,587.50/5,138,146,231 = 5,138,146,231/x
3. Step 3: Cross multiply
   2,387,674,587.50x = 5,138,146,231 × 5,138,146,231
4. Step 4: Simplify right side
   2,387,674,587.50x = 26,400,546,691,139,506,176
5. Step 5: Solve for x
   x = 26,400,546,691,139,506,176/2,387,674,587.50
6. Step 6: Final answer
   x = 11,057,012,052.38