Finding the Third Proportional to 64,949,193 and 142,754,706

Step by Step Solution

1. Step 1: Write the proportion equation
   64,949,193 : 142,754,706 = 142,754,706 : x
2. Step 2: Convert to fraction form
   64,949,193/142,754,706 = 142,754,706/x
3. Step 3: Cross multiply
   64,949,193x = 142,754,706 × 142,754,706
4. Step 4: Simplify right side
   64,949,193x = 20,378,906,085,146,436
5. Step 5: Solve for x
   x = 20,378,906,085,146,436/64,949,193
6. Step 6: Final answer
   x = 313,766,886.76