Finding the Third Proportional to 139,653,244,280 and 306,344,076,016

Step by Step Solution

1. Step 1: Write the proportion equation
   139,653,244,280 : 306,344,076,016 = 306,344,076,016 : x
2. Step 2: Convert to fraction form
   139,653,244,280/306,344,076,016 = 306,344,076,016/x
3. Step 3: Cross multiply
   139,653,244,280x = 306,344,076,016 × 306,344,076,016
4. Step 4: Simplify right side
   139,653,244,280x = 93,846,692,910,096,789,274,624
5. Step 5: Solve for x
   x = 93,846,692,910,096,789,274,624/139,653,244,280
6. Step 6: Final answer
   x = 671,997,943,147.94