Finding the Third Proportional to 42,978,142,632 and 92,486,632,272

Step by Step Solution

1. Step 1: Write the proportion equation
   42,978,142,632 : 92,486,632,272 = 92,486,632,272 : x
2. Step 2: Convert to fraction form
   42,978,142,632/92,486,632,272 = 92,486,632,272/x
3. Step 3: Cross multiply
   42,978,142,632x = 92,486,632,272 × 92,486,632,272
4. Step 4: Simplify right side
   42,978,142,632x = 8,553,777,149,016,152,211,456
5. Step 5: Solve for x
   x = 8,553,777,149,016,152,211,456/42,978,142,632
6. Step 6: Final answer
   x = 199,026,217,169.45