Finding the Third Proportional to 345,261,314.25 and 739,769,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   345,261,314.25 : 739,769,440.50 = 739,769,440.50 : x
2. Step 2: Convert to fraction form
   345,261,314.25/739,769,440.50 = 739,769,440.50/x
3. Step 3: Cross multiply
   345,261,314.25x = 739,769,440.50 × 739,769,440.50
4. Step 4: Simplify right side
   345,261,314.25x = 547,258,825,097,683,072
5. Step 5: Solve for x
   x = 547,258,825,097,683,072/345,261,314.25
6. Step 6: Final answer
   x = 1,585,056,890.28