Finding the Third Proportional to 76,561,136 and 168,002,582

Step by Step Solution

1. Step 1: Write the proportion equation
   76,561,136 : 168,002,582 = 168,002,582 : x
2. Step 2: Convert to fraction form
   76,561,136/168,002,582 = 168,002,582/x
3. Step 3: Cross multiply
   76,561,136x = 168,002,582 × 168,002,582
4. Step 4: Simplify right side
   76,561,136x = 28,224,867,558,666,724
5. Step 5: Solve for x
   x = 28,224,867,558,666,724/76,561,136
6. Step 6: Final answer
   x = 368,657,899.21