Finding the Third Proportional to 613,428 and 931,177.50

Step by Step Solution

1. Step 1: Write the proportion equation
   613,428 : 931,177.50 = 931,177.50 : x
2. Step 2: Convert to fraction form
   613,428/931,177.50 = 931,177.50/x
3. Step 3: Cross multiply
   613,428x = 931,177.50 × 931,177.50
4. Step 4: Simplify right side
   613,428x = 867,091,536,506.25
5. Step 5: Solve for x
   x = 867,091,536,506.25/613,428
6. Step 6: Final answer
   x = 1,413,518.03