Finding the Third Proportional to 5,899,113,261 and 12,639,654,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,899,113,261 : 12,639,654,472.50 = 12,639,654,472.50 : x
2. Step 2: Convert to fraction form
   5,899,113,261/12,639,654,472.50 = 12,639,654,472.50/x
3. Step 3: Cross multiply
   5,899,113,261x = 12,639,654,472.50 × 12,639,654,472.50
4. Step 4: Simplify right side
   5,899,113,261x = 159,760,865,184,189,251,584
5. Step 5: Solve for x
   x = 159,760,865,184,189,251,584/5,899,113,261
6. Step 6: Final answer
   x = 27,082,183,052.90