Finding the Third Proportional to 761,840 and 1,624,928

Step by Step Solution

1. Step 1: Write the proportion equation
   761,840 : 1,624,928 = 1,624,928 : x
2. Step 2: Convert to fraction form
   761,840/1,624,928 = 1,624,928/x
3. Step 3: Cross multiply
   761,840x = 1,624,928 × 1,624,928
4. Step 4: Simplify right side
   761,840x = 2,640,391,005,184
5. Step 5: Solve for x
   x = 2,640,391,005,184/761,840
6. Step 6: Final answer
   x = 3,465,807.79