Finding the Third Proportional to 42,769,216 and 61,794,144

Step by Step Solution

1. Step 1: Write the proportion equation
   42,769,216 : 61,794,144 = 61,794,144 : x
2. Step 2: Convert to fraction form
   42,769,216/61,794,144 = 61,794,144/x
3. Step 3: Cross multiply
   42,769,216x = 61,794,144 × 61,794,144
4. Step 4: Simplify right side
   42,769,216x = 3,818,516,232,692,736
5. Step 5: Solve for x
   x = 3,818,516,232,692,736/42,769,216
6. Step 6: Final answer
   x = 89,281,885.19