Finding the Third Proportional to 134,389,174,338 and 287,947,129,167

Step by Step Solution

1. Step 1: Write the proportion equation
   134,389,174,338 : 287,947,129,167 = 287,947,129,167 : x
2. Step 2: Convert to fraction form
   134,389,174,338/287,947,129,167 = 287,947,129,167/x
3. Step 3: Cross multiply
   134,389,174,338x = 287,947,129,167 × 287,947,129,167
4. Step 4: Simplify right side
   134,389,174,338x = 82,913,549,195,516,984,688,640
5. Step 5: Solve for x
   x = 82,913,549,195,516,984,688,640/134,389,174,338
6. Step 6: Final answer
   x = 616,965,984,082.78