Finding the Third Proportional to 42,381,434.50 and 91,537,061

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381,434.50 : 91,537,061 = 91,537,061 : x
2. Step 2: Convert to fraction form
   42,381,434.50/91,537,061 = 91,537,061/x
3. Step 3: Cross multiply
   42,381,434.50x = 91,537,061 × 91,537,061
4. Step 4: Simplify right side
   42,381,434.50x = 8,379,033,536,517,721
5. Step 5: Solve for x
   x = 8,379,033,536,517,721/42,381,434.50
6. Step 6: Final answer
   x = 197,705,283.82