Finding the Third Proportional to 19,519,188 and 42,398,534

Step by Step Solution

1. Step 1: Write the proportion equation
   19,519,188 : 42,398,534 = 42,398,534 : x
2. Step 2: Convert to fraction form
   19,519,188/42,398,534 = 42,398,534/x
3. Step 3: Cross multiply
   19,519,188x = 42,398,534 × 42,398,534
4. Step 4: Simplify right side
   19,519,188x = 1,797,635,685,349,156
5. Step 5: Solve for x
   x = 1,797,635,685,349,156/19,519,188
6. Step 6: Final answer
   x = 92,095,823.11