Finding the Third Proportional to 78,146,972 and 114,879,010

Step by Step Solution

1. Step 1: Write the proportion equation
   78,146,972 : 114,879,010 = 114,879,010 : x
2. Step 2: Convert to fraction form
   78,146,972/114,879,010 = 114,879,010/x
3. Step 3: Cross multiply
   78,146,972x = 114,879,010 × 114,879,010
4. Step 4: Simplify right side
   78,146,972x = 13,197,186,938,580,100
5. Step 5: Solve for x
   x = 13,197,186,938,580,100/78,146,972
6. Step 6: Final answer
   x = 168,876,497.72