Finding the Third Proportional to 78,043,848 and 168,074,616

Step by Step Solution

1. Step 1: Write the proportion equation
   78,043,848 : 168,074,616 = 168,074,616 : x
2. Step 2: Convert to fraction form
   78,043,848/168,074,616 = 168,074,616/x
3. Step 3: Cross multiply
   78,043,848x = 168,074,616 × 168,074,616
4. Step 4: Simplify right side
   78,043,848x = 28,249,076,543,547,456
5. Step 5: Solve for x
   x = 28,249,076,543,547,456/78,043,848
6. Step 6: Final answer
   x = 361,964,168.44