Finding the Third Proportional to 55,199,683,116 and 90,126,569,538

Step by Step Solution

1. Step 1: Write the proportion equation
   55,199,683,116 : 90,126,569,538 = 90,126,569,538 : x
2. Step 2: Convert to fraction form
   55,199,683,116/90,126,569,538 = 90,126,569,538/x
3. Step 3: Cross multiply
   55,199,683,116x = 90,126,569,538 × 90,126,569,538
4. Step 4: Simplify right side
   55,199,683,116x = 8,122,798,536,687,949,447,168
5. Step 5: Solve for x
   x = 8,122,798,536,687,949,447,168/55,199,683,116
6. Step 6: Final answer
   x = 147,152,992,157.91