Finding the Third Proportional to 76,561,694 and 168,003,616

Step by Step Solution

1. Step 1: Write the proportion equation
   76,561,694 : 168,003,616 = 168,003,616 : x
2. Step 2: Convert to fraction form
   76,561,694/168,003,616 = 168,003,616/x
3. Step 3: Cross multiply
   76,561,694x = 168,003,616 × 168,003,616
4. Step 4: Simplify right side
   76,561,694x = 28,225,214,989,075,456
5. Step 5: Solve for x
   x = 28,225,214,989,075,456/76,561,694
6. Step 6: Final answer
   x = 368,659,750.25