Finding the Third Proportional to 42,393,931.50 and 91,830,738

Step by Step Solution

1. Step 1: Write the proportion equation
   42,393,931.50 : 91,830,738 = 91,830,738 : x
2. Step 2: Convert to fraction form
   42,393,931.50/91,830,738 = 91,830,738/x
3. Step 3: Cross multiply
   42,393,931.50x = 91,830,738 × 91,830,738
4. Step 4: Simplify right side
   42,393,931.50x = 8,432,884,441,624,644
5. Step 5: Solve for x
   x = 8,432,884,441,624,644/42,393,931.50
6. Step 6: Final answer
   x = 198,917,254.03