Finding the Third Proportional to 139,602 and 291,006

Step by Step Solution

1. Step 1: Write the proportion equation
   139,602 : 291,006 = 291,006 : x
2. Step 2: Convert to fraction form
   139,602/291,006 = 291,006/x
3. Step 3: Cross multiply
   139,602x = 291,006 × 291,006
4. Step 4: Simplify right side
   139,602x = 84,684,492,036
5. Step 5: Solve for x
   x = 84,684,492,036/139,602
6. Step 6: Final answer
   x = 606,613.75