Finding the Third Proportional to 766,308 and 1,665,264

Step by Step Solution

1. Step 1: Write the proportion equation
   766,308 : 1,665,264 = 1,665,264 : x
2. Step 2: Convert to fraction form
   766,308/1,665,264 = 1,665,264/x
3. Step 3: Cross multiply
   766,308x = 1,665,264 × 1,665,264
4. Step 4: Simplify right side
   766,308x = 2,773,104,189,696
5. Step 5: Solve for x
   x = 2,773,104,189,696/766,308
6. Step 6: Final answer
   x = 3,618,785.38