Finding the Third Proportional to 42,654,730 and 91,879,815

Step by Step Solution

1. Step 1: Write the proportion equation
   42,654,730 : 91,879,815 = 91,879,815 : x
2. Step 2: Convert to fraction form
   42,654,730/91,879,815 = 91,879,815/x
3. Step 3: Cross multiply
   42,654,730x = 91,879,815 × 91,879,815
4. Step 4: Simplify right side
   42,654,730x = 8,441,900,404,434,225
5. Step 5: Solve for x
   x = 8,441,900,404,434,225/42,654,730
6. Step 6: Final answer
   x = 197,912,409.82