Finding the Third Proportional to 123,506,064 and 262,985,760

Step by Step Solution

1. Step 1: Write the proportion equation
   123,506,064 : 262,985,760 = 262,985,760 : x
2. Step 2: Convert to fraction form
   123,506,064/262,985,760 = 262,985,760/x
3. Step 3: Cross multiply
   123,506,064x = 262,985,760 × 262,985,760
4. Step 4: Simplify right side
   123,506,064x = 69,161,509,962,777,600
5. Step 5: Solve for x
   x = 69,161,509,962,777,600/123,506,064
6. Step 6: Final answer
   x = 559,984,730.49