Finding the Third Proportional to 17,980,620 and 38,838,472

Step by Step Solution

1. Step 1: Write the proportion equation
   17,980,620 : 38,838,472 = 38,838,472 : x
2. Step 2: Convert to fraction form
   17,980,620/38,838,472 = 38,838,472/x
3. Step 3: Cross multiply
   17,980,620x = 38,838,472 × 38,838,472
4. Step 4: Simplify right side
   17,980,620x = 1,508,426,907,294,784
5. Step 5: Solve for x
   x = 1,508,426,907,294,784/17,980,620
6. Step 6: Final answer
   x = 83,891,818.37