Finding the Third Proportional to 42,443,847 and 90,938,370

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,847 : 90,938,370 = 90,938,370 : x
2. Step 2: Convert to fraction form
   42,443,847/90,938,370 = 90,938,370/x
3. Step 3: Cross multiply
   42,443,847x = 90,938,370 × 90,938,370
4. Step 4: Simplify right side
   42,443,847x = 8,269,787,138,256,900
5. Step 5: Solve for x
   x = 8,269,787,138,256,900/42,443,847
6. Step 6: Final answer
   x = 194,840,659.43