Finding the Third Proportional to 51,149,208 and 78,000,456

Step by Step Solution

1. Step 1: Write the proportion equation
   51,149,208 : 78,000,456 = 78,000,456 : x
2. Step 2: Convert to fraction form
   51,149,208/78,000,456 = 78,000,456/x
3. Step 3: Cross multiply
   51,149,208x = 78,000,456 × 78,000,456
4. Step 4: Simplify right side
   51,149,208x = 6,084,071,136,207,936
5. Step 5: Solve for x
   x = 6,084,071,136,207,936/51,149,208
6. Step 6: Final answer
   x = 118,947,514.03