Finding the Third Proportional to 78,362,576.50 and 182,989,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,362,576.50 : 182,989,442.50 = 182,989,442.50 : x
2. Step 2: Convert to fraction form
   78,362,576.50/182,989,442.50 = 182,989,442.50/x
3. Step 3: Cross multiply
   78,362,576.50x = 182,989,442.50 × 182,989,442.50
4. Step 4: Simplify right side
   78,362,576.50x = 33,485,136,066,460,808
5. Step 5: Solve for x
   x = 33,485,136,066,460,808/78,362,576.50
6. Step 6: Final answer
   x = 427,310,299.92