Finding the Third Proportional to 546,870 and 731,695

Step by Step Solution

1. Step 1: Write the proportion equation
   546,870 : 731,695 = 731,695 : x
2. Step 2: Convert to fraction form
   546,870/731,695 = 731,695/x
3. Step 3: Cross multiply
   546,870x = 731,695 × 731,695
4. Step 4: Simplify right side
   546,870x = 535,377,573,025
5. Step 5: Solve for x
   x = 535,377,573,025/546,870
6. Step 6: Final answer
   x = 978,985.08