Finding the Third Proportional to 42,354,372 and 89,794,380

Step by Step Solution

1. Step 1: Write the proportion equation
   42,354,372 : 89,794,380 = 89,794,380 : x
2. Step 2: Convert to fraction form
   42,354,372/89,794,380 = 89,794,380/x
3. Step 3: Cross multiply
   42,354,372x = 89,794,380 × 89,794,380
4. Step 4: Simplify right side
   42,354,372x = 8,063,030,679,584,400
5. Step 5: Solve for x
   x = 8,063,030,679,584,400/42,354,372
6. Step 6: Final answer
   x = 190,370,681.91