Finding the Third Proportional to 68,156,328 and 146,705,280

Step by Step Solution

1. Step 1: Write the proportion equation
   68,156,328 : 146,705,280 = 146,705,280 : x
2. Step 2: Convert to fraction form
   68,156,328/146,705,280 = 146,705,280/x
3. Step 3: Cross multiply
   68,156,328x = 146,705,280 × 146,705,280
4. Step 4: Simplify right side
   68,156,328x = 21,522,439,179,878,400
5. Step 5: Solve for x
   x = 21,522,439,179,878,400/68,156,328
6. Step 6: Final answer
   x = 315,780,497.74