Finding the Third Proportional to 5,421,054 and 7,227,090

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,054 : 7,227,090 = 7,227,090 : x
2. Step 2: Convert to fraction form
   5,421,054/7,227,090 = 7,227,090/x
3. Step 3: Cross multiply
   5,421,054x = 7,227,090 × 7,227,090
4. Step 4: Simplify right side
   5,421,054x = 52,230,829,868,100
5. Step 5: Solve for x
   x = 52,230,829,868,100/5,421,054
6. Step 6: Final answer
   x = 9,634,810.84