Finding the Third Proportional to 59,366,366 and 90,815,146

Step by Step Solution

1. Step 1: Write the proportion equation
   59,366,366 : 90,815,146 = 90,815,146 : x
2. Step 2: Convert to fraction form
   59,366,366/90,815,146 = 90,815,146/x
3. Step 3: Cross multiply
   59,366,366x = 90,815,146 × 90,815,146
4. Step 4: Simplify right side
   59,366,366x = 8,247,390,743,001,316
5. Step 5: Solve for x
   x = 8,247,390,743,001,316/59,366,366
6. Step 6: Final answer
   x = 138,923,624.58