Finding the Third Proportional to 120,123,672 and 262,266,054

Step by Step Solution

1. Step 1: Write the proportion equation
   120,123,672 : 262,266,054 = 262,266,054 : x
2. Step 2: Convert to fraction form
   120,123,672/262,266,054 = 262,266,054/x
3. Step 3: Cross multiply
   120,123,672x = 262,266,054 × 262,266,054
4. Step 4: Simplify right side
   120,123,672x = 68,783,483,080,730,912
5. Step 5: Solve for x
   x = 68,783,483,080,730,912/120,123,672
6. Step 6: Final answer
   x = 572,605,565.04