Finding the Third Proportional to 78,323,311 and 169,663,862

Step by Step Solution

1. Step 1: Write the proportion equation
   78,323,311 : 169,663,862 = 169,663,862 : x
2. Step 2: Convert to fraction form
   78,323,311/169,663,862 = 169,663,862/x
3. Step 3: Cross multiply
   78,323,311x = 169,663,862 × 169,663,862
4. Step 4: Simplify right side
   78,323,311x = 28,785,826,068,755,044
5. Step 5: Solve for x
   x = 28,785,826,068,755,044/78,323,311
6. Step 6: Final answer
   x = 367,525,653.62