Finding the Third Proportional to 9,173,620 and 12,832,126

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173,620 : 12,832,126 = 12,832,126 : x
2. Step 2: Convert to fraction form
   9,173,620/12,832,126 = 12,832,126/x
3. Step 3: Cross multiply
   9,173,620x = 12,832,126 × 12,832,126
4. Step 4: Simplify right side
   9,173,620x = 164,663,457,679,876
5. Step 5: Solve for x
   x = 164,663,457,679,876/9,173,620
6. Step 6: Final answer
   x = 17,949,670.65