Finding the Third Proportional to 19,434,530.63 and 42,530,117.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434,530.63 : 42,530,117.25 = 42,530,117.25 : x
2. Step 2: Convert to fraction form
   19,434,530.63/42,530,117.25 = 42,530,117.25/x
3. Step 3: Cross multiply
   19,434,530.63x = 42,530,117.25 × 42,530,117.25
4. Step 4: Simplify right side
   19,434,530.63x = 1,808,810,873,298,747.50
5. Step 5: Solve for x
   x = 1,808,810,873,298,747.50/19,434,530.63
6. Step 6: Final answer
   x = 93,072,012.30