Finding the Third Proportional to 42,770,959 and 87,809,334

Step by Step Solution

1. Step 1: Write the proportion equation
   42,770,959 : 87,809,334 = 87,809,334 : x
2. Step 2: Convert to fraction form
   42,770,959/87,809,334 = 87,809,334/x
3. Step 3: Cross multiply
   42,770,959x = 87,809,334 × 87,809,334
4. Step 4: Simplify right side
   42,770,959x = 7,710,479,137,523,556
5. Step 5: Solve for x
   x = 7,710,479,137,523,556/42,770,959
6. Step 6: Final answer
   x = 180,273,702.48