Finding the Third Proportional to 3,656,736 and 7,875,432

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656,736 : 7,875,432 = 7,875,432 : x
2. Step 2: Convert to fraction form
   3,656,736/7,875,432 = 7,875,432/x
3. Step 3: Cross multiply
   3,656,736x = 7,875,432 × 7,875,432
4. Step 4: Simplify right side
   3,656,736x = 62,022,429,186,624
5. Step 5: Solve for x
   x = 62,022,429,186,624/3,656,736
6. Step 6: Final answer
   x = 16,961,144.91