Finding the Third Proportional to 39,162,012 and 55,051,358

Step by Step Solution

1. Step 1: Write the proportion equation
   39,162,012 : 55,051,358 = 55,051,358 : x
2. Step 2: Convert to fraction form
   39,162,012/55,051,358 = 55,051,358/x
3. Step 3: Cross multiply
   39,162,012x = 55,051,358 × 55,051,358
4. Step 4: Simplify right side
   39,162,012x = 3,030,652,017,644,164
5. Step 5: Solve for x
   x = 3,030,652,017,644,164/39,162,012
6. Step 6: Final answer
   x = 77,387,546.32