Finding the Third Proportional to 132,665,184 and 287,060,328

Step by Step Solution

1. Step 1: Write the proportion equation
   132,665,184 : 287,060,328 = 287,060,328 : x
2. Step 2: Convert to fraction form
   132,665,184/287,060,328 = 287,060,328/x
3. Step 3: Cross multiply
   132,665,184x = 287,060,328 × 287,060,328
4. Step 4: Simplify right side
   132,665,184x = 82,403,631,911,467,584
5. Step 5: Solve for x
   x = 82,403,631,911,467,584/132,665,184
6. Step 6: Final answer
   x = 621,139,845.64