Finding the Third Proportional to 78,323,276 and 169,663,792

Step by Step Solution

1. Step 1: Write the proportion equation
   78,323,276 : 169,663,792 = 169,663,792 : x
2. Step 2: Convert to fraction form
   78,323,276/169,663,792 = 169,663,792/x
3. Step 3: Cross multiply
   78,323,276x = 169,663,792 × 169,663,792
4. Step 4: Simplify right side
   78,323,276x = 28,785,802,315,819,264
5. Step 5: Solve for x
   x = 28,785,802,315,819,264/78,323,276
6. Step 6: Final answer
   x = 367,525,514.58