Finding the Third Proportional to 78,043,970 and 168,074,884

Step by Step Solution

1. Step 1: Write the proportion equation
   78,043,970 : 168,074,884 = 168,074,884 : x
2. Step 2: Convert to fraction form
   78,043,970/168,074,884 = 168,074,884/x
3. Step 3: Cross multiply
   78,043,970x = 168,074,884 × 168,074,884
4. Step 4: Simplify right side
   78,043,970x = 28,249,166,631,613,456
5. Step 5: Solve for x
   x = 28,249,166,631,613,456/78,043,970
6. Step 6: Final answer
   x = 361,964,756.94