Finding the Third Proportional to 59,640,386 and 130,447,108

Step by Step Solution

1. Step 1: Write the proportion equation
   59,640,386 : 130,447,108 = 130,447,108 : x
2. Step 2: Convert to fraction form
   59,640,386/130,447,108 = 130,447,108/x
3. Step 3: Cross multiply
   59,640,386x = 130,447,108 × 130,447,108
4. Step 4: Simplify right side
   59,640,386x = 17,016,447,985,563,664
5. Step 5: Solve for x
   x = 17,016,447,985,563,664/59,640,386
6. Step 6: Final answer
   x = 285,317,536.10