Finding the Third Proportional to 609,085,450.50 and 902,567,139

Step by Step Solution

1. Step 1: Write the proportion equation
   609,085,450.50 : 902,567,139 = 902,567,139 : x
2. Step 2: Convert to fraction form
   609,085,450.50/902,567,139 = 902,567,139/x
3. Step 3: Cross multiply
   609,085,450.50x = 902,567,139 × 902,567,139
4. Step 4: Simplify right side
   609,085,450.50x = 814,627,440,402,645,376
5. Step 5: Solve for x
   x = 814,627,440,402,645,376/609,085,450.50
6. Step 6: Final answer
   x = 1,337,460,022.62