Finding the Third Proportional to 47,399,999 and 70,789,390

Step by Step Solution

1. Step 1: Write the proportion equation
   47,399,999 : 70,789,390 = 70,789,390 : x
2. Step 2: Convert to fraction form
   47,399,999/70,789,390 = 70,789,390/x
3. Step 3: Cross multiply
   47,399,999x = 70,789,390 × 70,789,390
4. Step 4: Simplify right side
   47,399,999x = 5,011,137,736,572,100
5. Step 5: Solve for x
   x = 5,011,137,736,572,100/47,399,999
6. Step 6: Final answer
   x = 105,720,207.64