Finding the Third Proportional to 59,820,840 and 130,139,280

Step by Step Solution

1. Step 1: Write the proportion equation
   59,820,840 : 130,139,280 = 130,139,280 : x
2. Step 2: Convert to fraction form
   59,820,840/130,139,280 = 130,139,280/x
3. Step 3: Cross multiply
   59,820,840x = 130,139,280 × 130,139,280
4. Step 4: Simplify right side
   59,820,840x = 16,936,232,198,918,400
5. Step 5: Solve for x
   x = 16,936,232,198,918,400/59,820,840
6. Step 6: Final answer
   x = 283,115,920.79