Finding the Third Proportional to 675,700 and 910,123

Step by Step Solution

1. Step 1: Write the proportion equation
   675,700 : 910,123 = 910,123 : x
2. Step 2: Convert to fraction form
   675,700/910,123 = 910,123/x
3. Step 3: Cross multiply
   675,700x = 910,123 × 910,123
4. Step 4: Simplify right side
   675,700x = 828,323,875,129
5. Step 5: Solve for x
   x = 828,323,875,129/675,700
6. Step 6: Final answer
   x = 1,225,875.20