Finding the Third Proportional to 19,668,309.75 and 42,781,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,668,309.75 : 42,781,711.50 = 42,781,711.50 : x
2. Step 2: Convert to fraction form
   19,668,309.75/42,781,711.50 = 42,781,711.50/x
3. Step 3: Cross multiply
   19,668,309.75x = 42,781,711.50 × 42,781,711.50
4. Step 4: Simplify right side
   19,668,309.75x = 1,830,274,838,869,232.25
5. Step 5: Solve for x
   x = 1,830,274,838,869,232.25/19,668,309.75
6. Step 6: Final answer
   x = 93,057,047.71