Finding the Third Proportional to 8,455,280 and 18,106,300

Step by Step Solution

1. Step 1: Write the proportion equation
   8,455,280 : 18,106,300 = 18,106,300 : x
2. Step 2: Convert to fraction form
   8,455,280/18,106,300 = 18,106,300/x
3. Step 3: Cross multiply
   8,455,280x = 18,106,300 × 18,106,300
4. Step 4: Simplify right side
   8,455,280x = 327,838,099,690,000
5. Step 5: Solve for x
   x = 327,838,099,690,000/8,455,280
6. Step 6: Final answer
   x = 38,773,180.75