Finding the Third Proportional to 777,132 and 1,672,361

Step by Step Solution

1. Step 1: Write the proportion equation
   777,132 : 1,672,361 = 1,672,361 : x
2. Step 2: Convert to fraction form
   777,132/1,672,361 = 1,672,361/x
3. Step 3: Cross multiply
   777,132x = 1,672,361 × 1,672,361
4. Step 4: Simplify right side
   777,132x = 2,796,791,314,321
5. Step 5: Solve for x
   x = 2,796,791,314,321/777,132
6. Step 6: Final answer
   x = 3,598,862.63