Finding the Third Proportional to 761,732 and 1,672,912

Step by Step Solution

1. Step 1: Write the proportion equation
   761,732 : 1,672,912 = 1,672,912 : x
2. Step 2: Convert to fraction form
   761,732/1,672,912 = 1,672,912/x
3. Step 3: Cross multiply
   761,732x = 1,672,912 × 1,672,912
4. Step 4: Simplify right side
   761,732x = 2,798,634,559,744
5. Step 5: Solve for x
   x = 2,798,634,559,744/761,732
6. Step 6: Final answer
   x = 3,674,040.95