Finding the Third Proportional to 828,188 and 1,243,160

Step by Step Solution

1. Step 1: Write the proportion equation
   828,188 : 1,243,160 = 1,243,160 : x
2. Step 2: Convert to fraction form
   828,188/1,243,160 = 1,243,160/x
3. Step 3: Cross multiply
   828,188x = 1,243,160 × 1,243,160
4. Step 4: Simplify right side
   828,188x = 1,545,446,785,600
5. Step 5: Solve for x
   x = 1,545,446,785,600/828,188
6. Step 6: Final answer
   x = 1,866,057.93