Finding the Third Proportional to 766,643,251.50 and 1,667,610,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   766,643,251.50 : 1,667,610,258.50 = 1,667,610,258.50 : x
2. Step 2: Convert to fraction form
   766,643,251.50/1,667,610,258.50 = 1,667,610,258.50/x
3. Step 3: Cross multiply
   766,643,251.50x = 1,667,610,258.50 × 1,667,610,258.50
4. Step 4: Simplify right side
   766,643,251.50x = 2,780,923,974,254,436,864
5. Step 5: Solve for x
   x = 2,780,923,974,254,436,864/766,643,251.50
6. Step 6: Final answer
   x = 3,627,402,926.74