Finding the Third Proportional to 42,381,436 and 91,537,063

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381,436 : 91,537,063 = 91,537,063 : x
2. Step 2: Convert to fraction form
   42,381,436/91,537,063 = 91,537,063/x
3. Step 3: Cross multiply
   42,381,436x = 91,537,063 × 91,537,063
4. Step 4: Simplify right side
   42,381,436x = 8,379,033,902,665,969
5. Step 5: Solve for x
   x = 8,379,033,902,665,969/42,381,436
6. Step 6: Final answer
   x = 197,705,285.46