Finding the Third Proportional to 5,495,334 and 8,406,174

Step by Step Solution

1. Step 1: Write the proportion equation
   5,495,334 : 8,406,174 = 8,406,174 : x
2. Step 2: Convert to fraction form
   5,495,334/8,406,174 = 8,406,174/x
3. Step 3: Cross multiply
   5,495,334x = 8,406,174 × 8,406,174
4. Step 4: Simplify right side
   5,495,334x = 70,663,761,318,276
5. Step 5: Solve for x
   x = 70,663,761,318,276/5,495,334
6. Step 6: Final answer
   x = 12,858,865.60