Finding the Third Proportional to 4,088,747 and 8,920,172

Step by Step Solution

1. Step 1: Write the proportion equation
   4,088,747 : 8,920,172 = 8,920,172 : x
2. Step 2: Convert to fraction form
   4,088,747/8,920,172 = 8,920,172/x
3. Step 3: Cross multiply
   4,088,747x = 8,920,172 × 8,920,172
4. Step 4: Simplify right side
   4,088,747x = 79,569,468,509,584
5. Step 5: Solve for x
   x = 79,569,468,509,584/4,088,747
6. Step 6: Final answer
   x = 19,460,599.67