Finding the Third Proportional to 90,744,672 and 139,481,064

Step by Step Solution

1. Step 1: Write the proportion equation
   90,744,672 : 139,481,064 = 139,481,064 : x
2. Step 2: Convert to fraction form
   90,744,672/139,481,064 = 139,481,064/x
3. Step 3: Cross multiply
   90,744,672x = 139,481,064 × 139,481,064
4. Step 4: Simplify right side
   90,744,672x = 19,454,967,214,572,096
5. Step 5: Solve for x
   x = 19,454,967,214,572,096/90,744,672
6. Step 6: Final answer
   x = 214,392,391.15