Finding the Third Proportional to 42,443,892 and 90,938,466

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,892 : 90,938,466 = 90,938,466 : x
2. Step 2: Convert to fraction form
   42,443,892/90,938,466 = 90,938,466/x
3. Step 3: Cross multiply
   42,443,892x = 90,938,466 × 90,938,466
4. Step 4: Simplify right side
   42,443,892x = 8,269,804,598,433,156
5. Step 5: Solve for x
   x = 8,269,804,598,433,156/42,443,892
6. Step 6: Final answer
   x = 194,840,864.23