Finding the Third Proportional to 3,730,872 and 7,973,664

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730,872 : 7,973,664 = 7,973,664 : x
2. Step 2: Convert to fraction form
   3,730,872/7,973,664 = 7,973,664/x
3. Step 3: Cross multiply
   3,730,872x = 7,973,664 × 7,973,664
4. Step 4: Simplify right side
   3,730,872x = 63,579,317,584,896
5. Step 5: Solve for x
   x = 63,579,317,584,896/3,730,872
6. Step 6: Final answer
   x = 17,041,409.51