Finding the Third Proportional to 1,090,520 and 1,655,400

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,520 : 1,655,400 = 1,655,400 : x
2. Step 2: Convert to fraction form
   1,090,520/1,655,400 = 1,655,400/x
3. Step 3: Cross multiply
   1,090,520x = 1,655,400 × 1,655,400
4. Step 4: Simplify right side
   1,090,520x = 2,740,349,160,000
5. Step 5: Solve for x
   x = 2,740,349,160,000/1,090,520
6. Step 6: Final answer
   x = 2,512,882.99