Finding the Third Proportional to 71,963,776 and 111,308,640

Step by Step Solution

1. Step 1: Write the proportion equation
   71,963,776 : 111,308,640 = 111,308,640 : x
2. Step 2: Convert to fraction form
   71,963,776/111,308,640 = 111,308,640/x
3. Step 3: Cross multiply
   71,963,776x = 111,308,640 × 111,308,640
4. Step 4: Simplify right side
   71,963,776x = 12,389,613,338,649,600
5. Step 5: Solve for x
   x = 12,389,613,338,649,600/71,963,776
6. Step 6: Final answer
   x = 172,164,580.95