Finding the Third Proportional to 39,635,764 and 84,034,640

Step by Step Solution

1. Step 1: Write the proportion equation
   39,635,764 : 84,034,640 = 84,034,640 : x
2. Step 2: Convert to fraction form
   39,635,764/84,034,640 = 84,034,640/x
3. Step 3: Cross multiply
   39,635,764x = 84,034,640 × 84,034,640
4. Step 4: Simplify right side
   39,635,764x = 7,061,820,719,929,600
5. Step 5: Solve for x
   x = 7,061,820,719,929,600/39,635,764
6. Step 6: Final answer
   x = 178,167,897.05