Finding the Third Proportional to 339,848,269.31 and 731,989,499.06

Step by Step Solution

1. Step 1: Write the proportion equation
   339,848,269.31 : 731,989,499.06 = 731,989,499.06 : x
2. Step 2: Convert to fraction form
   339,848,269.31/731,989,499.06 = 731,989,499.06/x
3. Step 3: Cross multiply
   339,848,269.31x = 731,989,499.06 × 731,989,499.06
4. Step 4: Simplify right side
   339,848,269.31x = 535,808,626,737,769,664
5. Step 5: Solve for x
   x = 535,808,626,737,769,664/339,848,269.31
6. Step 6: Final answer
   x = 1,576,611,314.87