Finding the Third Proportional to 81,443,376 and 174,545,136

Step by Step Solution

1. Step 1: Write the proportion equation
   81,443,376 : 174,545,136 = 174,545,136 : x
2. Step 2: Convert to fraction form
   81,443,376/174,545,136 = 174,545,136/x
3. Step 3: Cross multiply
   81,443,376x = 174,545,136 × 174,545,136
4. Step 4: Simplify right side
   81,443,376x = 30,466,004,501,258,496
5. Step 5: Solve for x
   x = 30,466,004,501,258,496/81,443,376
6. Step 6: Final answer
   x = 374,075,903.99