Finding the Third Proportional to 738,172 and 1,156,460

Step by Step Solution

1. Step 1: Write the proportion equation
   738,172 : 1,156,460 = 1,156,460 : x
2. Step 2: Convert to fraction form
   738,172/1,156,460 = 1,156,460/x
3. Step 3: Cross multiply
   738,172x = 1,156,460 × 1,156,460
4. Step 4: Simplify right side
   738,172x = 1,337,399,731,600
5. Step 5: Solve for x
   x = 1,337,399,731,600/738,172
6. Step 6: Final answer
   x = 1,811,772.50