Finding the Third Proportional to 342,090 and 530,982

Step by Step Solution

1. Step 1: Write the proportion equation
   342,090 : 530,982 = 530,982 : x
2. Step 2: Convert to fraction form
   342,090/530,982 = 530,982/x
3. Step 3: Cross multiply
   342,090x = 530,982 × 530,982
4. Step 4: Simplify right side
   342,090x = 281,941,884,324
5. Step 5: Solve for x
   x = 281,941,884,324/342,090
6. Step 6: Final answer
   x = 824,174.59