Finding the Third Proportional to 345,240,076 and 739,451,456

Step by Step Solution

1. Step 1: Write the proportion equation
   345,240,076 : 739,451,456 = 739,451,456 : x
2. Step 2: Convert to fraction form
   345,240,076/739,451,456 = 739,451,456/x
3. Step 3: Cross multiply
   345,240,076x = 739,451,456 × 739,451,456
4. Step 4: Simplify right side
   345,240,076x = 546,788,455,780,519,936
5. Step 5: Solve for x
   x = 546,788,455,780,519,936/345,240,076
6. Step 6: Final answer
   x = 1,583,791,957.51