Finding the Third Proportional to 607,405,123 and 907,127,404

Step by Step Solution

1. Step 1: Write the proportion equation
   607,405,123 : 907,127,404 = 907,127,404 : x
2. Step 2: Convert to fraction form
   607,405,123/907,127,404 = 907,127,404/x
3. Step 3: Cross multiply
   607,405,123x = 907,127,404 × 907,127,404
4. Step 4: Simplify right side
   607,405,123x = 822,880,127,087,779,200
5. Step 5: Solve for x
   x = 822,880,127,087,779,200/607,405,123
6. Step 6: Final answer
   x = 1,354,746,767.73