Finding the Third Proportional to 42,458,476.50 and 63,621,042

Step by Step Solution

1. Step 1: Write the proportion equation
   42,458,476.50 : 63,621,042 = 63,621,042 : x
2. Step 2: Convert to fraction form
   42,458,476.50/63,621,042 = 63,621,042/x
3. Step 3: Cross multiply
   42,458,476.50x = 63,621,042 × 63,621,042
4. Step 4: Simplify right side
   42,458,476.50x = 4,047,636,985,165,764
5. Step 5: Solve for x
   x = 4,047,636,985,165,764/42,458,476.50
6. Step 6: Final answer
   x = 95,331,658.57