Finding the Third Proportional to 135,854,570 and 298,398,064

Step by Step Solution

1. Step 1: Write the proportion equation
   135,854,570 : 298,398,064 = 298,398,064 : x
2. Step 2: Convert to fraction form
   135,854,570/298,398,064 = 298,398,064/x
3. Step 3: Cross multiply
   135,854,570x = 298,398,064 × 298,398,064
4. Step 4: Simplify right side
   135,854,570x = 89,041,404,598,948,096
5. Step 5: Solve for x
   x = 89,041,404,598,948,096/135,854,570
6. Step 6: Final answer
   x = 655,417,072.82