Finding the Third Proportional to 623,592 and 912,060

Step by Step Solution

1. Step 1: Write the proportion equation
   623,592 : 912,060 = 912,060 : x
2. Step 2: Convert to fraction form
   623,592/912,060 = 912,060/x
3. Step 3: Cross multiply
   623,592x = 912,060 × 912,060
4. Step 4: Simplify right side
   623,592x = 831,853,443,600
5. Step 5: Solve for x
   x = 831,853,443,600/623,592
6. Step 6: Final answer
   x = 1,333,970.68