Finding the Third Proportional to 139,459,830 and 304,030,284

Step by Step Solution

1. Step 1: Write the proportion equation
   139,459,830 : 304,030,284 = 304,030,284 : x
2. Step 2: Convert to fraction form
   139,459,830/304,030,284 = 304,030,284/x
3. Step 3: Cross multiply
   139,459,830x = 304,030,284 × 304,030,284
4. Step 4: Simplify right side
   139,459,830x = 92,434,413,589,120,656
5. Step 5: Solve for x
   x = 92,434,413,589,120,656/139,459,830
6. Step 6: Final answer
   x = 662,803,142.59