Finding the Third Proportional to 4,088,737 and 8,920,146

Step by Step Solution

1. Step 1: Write the proportion equation
   4,088,737 : 8,920,146 = 8,920,146 : x
2. Step 2: Convert to fraction form
   4,088,737/8,920,146 = 8,920,146/x
3. Step 3: Cross multiply
   4,088,737x = 8,920,146 × 8,920,146
4. Step 4: Simplify right side
   4,088,737x = 79,569,004,661,316
5. Step 5: Solve for x
   x = 79,569,004,661,316/4,088,737
6. Step 6: Final answer
   x = 19,460,533.82